Sintering furnace

Abstract

The utility model discloses a sintering furnace, relates to the technical field of powder product sintering, solves the problems that the temperature rise time of the sintering furnace is long, the production cost of an enterprise is increased, and the production efficiency of the enterprise is reduced, and comprises a furnace body, an air draft mechanism is arranged above the furnace body, and a collecting mechanism is arranged below the furnace body. The collecting mechanism communicates with the air draft mechanism, and a reflection adjusting mechanism is connected to the lower portion of the interior of the furnace body. The collecting mechanism comprises a storage assembly and an air blowing assembly, the storage assembly is arranged below the furnace body, and the air blowing assembly is connected to the upper portion of the storage assembly. The hot air in the furnace body can be circulated through the air draft mechanism and the collecting mechanism, so that the temperature of each part in the furnace body is more uniform, and the hot air above the furnace body can be introduced into the bottom of the furnace body, so that the condition of temperature difference between the upper part and the lower part of a material can be avoided, and the temperature rise time of the furnace body can be shortened.

Description

Technical Field

[0001] The utility model relates to the field of sintering of powder products, and particularly to a sintering furnace. Background Art

[0002] A sintering furnace is a special equipment that enables powder compacts to obtain the required physical and mechanical properties as well as microstructures through sintering. The sintering furnace is used to dry the slurry on the silicon wafer, remove the organic components in the slurry, and complete the sintering of the aluminum back field and grid lines. In order to ensure the smooth progress of dewaxing (lubricant or forming agent), reduction, alloying, and microstructure transformation of the powder compact during sintering, precise control of sintering temperature, protective atmosphere, compact transfer method, heating and cooling rates, etc. is required during sintering.

[0003] Currently, most conventional sintering furnaces adopt traditional heating methods and reach the sintering temperature by slowly raising the temperature, resulting in the need to consume more time for heating each time the sintering furnace is used. The residual heat in the sintering furnace cannot be collected and utilized, and the purpose of preheating the sintering furnace cannot be achieved. At the same time, the sintering furnace lacks a structure to increase the internal air circulation during use, and there is a situation of uneven temperature inside the sintering furnace. The above situations all increase the heating time of the sintering furnace, increase the production cost, and cannot meet the production requirements of modern industry for high efficiency and low cost. Summary of the Utility Model

[0004] In order to improve the problem of the long heating time of the sintering furnace, which increases the production cost of the enterprise and reduces the production efficiency of the enterprise, the utility model provides a sintering furnace.

[0005] The utility model provides a sintering furnace, adopting the following technical solutions:

[0006] A sintering furnace includes a furnace body. An air extraction mechanism is arranged above the furnace body, a collection mechanism is arranged below the furnace body, the collection mechanism is communicated with the air extraction mechanism, and a reflection adjustment mechanism is connected to the lower part inside the furnace body;

[0007] The collection mechanism includes a storage component and a blowing component. The storage component is arranged below the furnace body, and the blowing component is connected above the storage component;

[0008] The reflection adjustment mechanism includes a shaft rod, a transmission component, and a reflector. The shaft rod is rotatably connected to the lower part inside the furnace body, the transmission component is interconnected with the shaft rod, and the reflector is fixed on the shaft rod.

[0009] Optionally, the air extraction mechanism includes a first air extractor, a first connecting pipe, an air extraction pipe, and an air delivery pipe. The first air extractor is installed above the furnace body. The first connecting pipe is installed above the interior of the furnace body. The first connecting pipe is communicated with the input end of the first air extractor. The air extraction pipe is communicated with the first connecting pipe. The air delivery pipe is communicated with the output end of the first air extractor.

[0010] By adopting the above technical solution, starting the first air extractor can extract the hot air above the furnace body through the first connecting pipe and the air extraction pipe.

[0011] Optionally, the storage component includes a box body and a filter plate. The upper part of the box body is communicated with the air delivery pipe. The filter plate is installed inside the box body.

[0012] By adopting the above technical solution, setting the filter plate can filter the impurities in the high-temperature gas entering the box body through the air delivery pipe.

[0013] Optionally, a heat preservation layer and a heat insulation layer are arranged outside the box body.

[0014] By adopting the above technical solution, setting the heat preservation layer and the heat insulation layer improves the heat preservation effect of the box body on the high-temperature gas.

[0015] Optionally, the air blowing component includes a second air extractor, a second connecting pipe, and an air blowing pipe. The second air extractor is installed above the box body. The second connecting pipe is arranged below the interior of the furnace body. The second connecting pipe is communicated with the output end of the second air extractor. The air blowing pipe is communicated above the second connecting pipe.

[0016] By adopting the above technical solution, starting the second air extractor to introduce the hot air in the box body into the lower part of the interior of the furnace body through the second connecting pipe and the air blowing pipe realizes the circulation of the air in the furnace body and is beneficial to heating the bottom of the material.

[0017] Optionally, a plurality of the air extraction pipes and the air blowing pipes are respectively arranged.

[0018] By adopting the above technical solution, such a setting improves the air circulation effect inside the furnace body and is also beneficial to the uniformity of material heating.

[0019] Optionally, the transmission component includes a motor, a first bevel gear, and a second bevel gear. The motor is fixed below the furnace body. The first bevel gear is connected to the output end of the motor. The second bevel gear is fixedly sleeved on the shaft rod. The second bevel gear is meshed with the first bevel gear.

[0020] By adopting the above technical solution, when the motor is started, the driving of the first bevel gear and the second bevel gear can adjust the reflection angle of the reflector, which is beneficial to better heating the bottom of the material.

[0021] Optionally, a housing is fixed outside the motor, and the housing is fixedly connected to the furnace body.

[0022] By adopting the above technical solution, setting the housing can protect the outside of the motor, which is beneficial to improving the service life of the motor.

[0023] In summary, the utility model has the following beneficial effects:

[0024] 1. By setting the air extraction mechanism and the collection mechanism, the hot air in the furnace body can be circulated, making the temperature everywhere in the furnace body more uniform. Moreover, the hot air above the furnace body can be introduced into the bottom of the furnace body, which is beneficial to better heating the bottom of the material, avoiding the temperature difference between the upper and lower parts of the material, and thus reducing the heating time of the furnace body.

[0025] 2. By setting the storage component, a part of the hot air in the furnace body can be extracted and stored. When the furnace body is used next time, the stored hot air is introduced into the furnace body, which is beneficial to preheating the furnace body to a certain extent and improving the production efficiency of the enterprise. By setting the reflector, the heat can be reflected onto the material, making the heat more concentrated. By setting the shaft rod and the transmission component, the angle of the reflector in the furnace body can be adjusted, which is beneficial to improving the use effect of the reflector, further improving the production efficiency of the enterprise, and reducing the production cost of the enterprise. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 is a schematic structural diagram of the sintering furnace of the utility model.

[0027] Figure 2 is a schematic connection structure diagram of the first connecting pipe and the second connecting pipe of the utility model.

[0028] Figure 3 is a schematic structural diagram of the reflection adjustment mechanism of the utility model. Figure 4 is a schematic internal structure diagram of the box body of the utility model.

[0029] Figure 5 is a schematic structural diagram of the box body of the utility model.

[0030] Description of the reference numerals:

[0031] 1. Furnace body; 2. Air extraction mechanism; 22. First air extractor; 24. First connecting pipe; 26. Air extraction pipe; 28. Air delivery pipe; 3. Collection mechanism; 32. Storage component; 322. Box body; 324. Filter plate; 326. Thermal insulation layer; 328. Heat insulation layer; 34. Air blowing component; 342. Second air extractor; 344. Second connecting pipe; 346. Air blowing pipe; 5. Reflection adjustment mechanism; 52. Shaft rod; 54. Transmission component; 542. Housing; 544. Motor; 546. First bevel gear; 548. Second bevel gear; 56. Reflector plate. Detailed implementation manner

[0032] The following further elaborates on this application in conjunction with the attached Figures 1-5 drawings.

[0033] Please refer to Figures 1-5 , a sintering furnace, including a furnace body 1, an air extraction mechanism 2 is arranged above the furnace body 1, a collection mechanism 3 is arranged below the furnace body 1, the collection mechanism 3 is communicated with the air extraction mechanism 2, and a reflection adjustment mechanism 5 is connected below the interior of the furnace body 1;

[0034] The collection mechanism 3 includes a storage component 32 and an air blowing component 34. The storage component 32 is arranged below the furnace body 1, and the air blowing component 34 is connected above the storage component 32;

[0035] The reflection adjustment mechanism 5 includes a shaft rod 52, a transmission component 54 and a reflector plate 56. The shaft rod 52 is rotatably connected below the interior of the furnace body 1, the transmission component 54 is interconnected with the shaft rod 52, and the reflector plate 56 is fixed on the shaft rod 52.

[0036] Referring to Figure 1 and Figure 2 , the air extraction mechanism 2 includes a first air extractor 22, a first connecting pipe 24, an air extraction pipe 26 and an air delivery pipe 28. The first air extractor 22 is installed above the furnace body 1, the first connecting pipe 24 is installed above the interior of the furnace body 1, the first connecting pipe 24 is communicated with the input end of the first air extractor 22, the air extraction pipe 26 is communicated with the first connecting pipe 24, and the air delivery pipe 28 is communicated with the output end of the first air extractor 22. More specifically, starting the first air extractor 22 can extract the hot air above the furnace body 1 through the first connecting pipe 24 and the air extraction pipe 26.

[0037] Referring to Figure 4 and Figure 5 , the storage component 32 includes a box body 322 and a filter plate 324. The upper part of the box body 322 is communicated with the air delivery pipe 28, and the filter plate 324 is installed inside the box body 322. More specifically, setting the filter plate 324 can filter impurities in the high-temperature gas entering the box body 322 through the air delivery pipe 28.

[0038] Referring to Figure 5, a heat insulation layer 326 and a heat shield layer 328 are provided outside the box body 322. More specifically, setting the heat insulation layer 326 and the heat shield layer 328 improves the heat preservation effect of the box body 322 on high-temperature gas.

[0039] Referring to Figure 1 and Figure 2 , the blowing assembly 34 includes a second exhaust fan 342, a second connecting pipe 344 and a blowing pipe 346. The second exhaust fan 342 is installed above the box body 322. The second connecting pipe 344 is arranged below the interior of the furnace body 1. The second connecting pipe 344 is communicated with the output end of the second exhaust fan 342. The blowing pipe 346 is communicated above the second connecting pipe 344. More specifically, starting the second exhaust fan 342 passes the hot air in the box body 322 into the lower part of the interior of the furnace body 1 through the second connecting pipe 344 and the blowing pipe 346, realizing the circulation of the air in the furnace body 1 and being beneficial to heating the bottom of the material.

[0040] Referring to Figure 2 , a plurality of air extraction pipes 26 and blowing pipes 346 are respectively provided. More specifically, such a setting improves the effect of air circulation inside the furnace body 1 and is also beneficial to the uniformity of material heating.

[0041] Referring to Figure 3 , the transmission assembly 54 includes a motor 544, a first bevel gear 546 and a second bevel gear 548. The motor 544 is fixed below the furnace body 1. The first bevel gear 546 is connected to the output end of the motor 544. The second bevel gear 548 is fixedly sleeved on the shaft rod 52. The second bevel gear 548 is meshed and connected with the first bevel gear 546. More specifically, starting the motor 544 can adjust the reflection angle of the reflector 56 through the drive of the first bevel gear 546 and the second bevel gear 548, which is beneficial to better heating the bottom of the material.

[0042] Referring to Figure 3 , a housing 542 is fixed outside the motor 544. The housing 542 is fixedly connected to the furnace body 1. More specifically, setting the housing 542 can protect the outside of the motor 544 and is beneficial to improving the service life of the motor 544.

[0043] The implementation principle of the present utility model is as follows: When in use, start the first exhaust fan 22 to pass the hot air in the furnace body 1 into the box body 322 through the air delivery pipe 28. The filter plate 324 filters the impurities in the gas. Then start the second exhaust fan 342 to pass the filtered hot air into the lower part inside the furnace body 1, which can circulate the hot air in the furnace body 1, making the temperature more uniform everywhere in the furnace body 1. Moreover, it can also pass the hot air above the furnace body 1 to the bottom of the furnace body 1, which is beneficial to better heating the bottom of the material and avoiding the situation of temperature difference between the upper and lower parts of the material. The box body 322 is set to extract and store a part of the hot air in the furnace body 1. When the furnace body 1 is used next time, the stored hot air is passed into the furnace body 1, which is beneficial to preheat the furnace body 1 to a certain extent. The reflector 56 is set to reflect the heat onto the material, making the heat more concentrated. Start the motor 544, and the reflection angle of the reflector 56 can be adjusted by the drive of the first bevel gear 546 and the second bevel gear 548, which is beneficial to improving the use effect of the reflector 56, further improving the production efficiency of the enterprise, reducing the production cost of the enterprise, and solving the problems of long heating time of the sintering furnace, increasing the production cost of the enterprise, and reducing the production efficiency of the enterprise.

[0044] The above are all the preferred embodiments of the present utility model, and the protection scope of the present utility model is not limited thereby. Therefore, all equivalent changes made according to the structure, shape, and principle of the present utility model shall be covered within the protection scope of the present utility model.

Claims

1. A sintering furnace, comprising a furnace body (1), characterized in that: Above the furnace body (1), an air extraction mechanism (2) is provided. Below the furnace body (1), a collection mechanism (3) is provided. The collection mechanism (3) is communicated with the air extraction mechanism (2). Below the interior of the furnace body (1), a reflection adjustment mechanism (5) is connected. The collection mechanism (3) includes a storage component (32) and a blowing component (34). The storage component (32) is arranged below the furnace body (1), and the blowing component (34) is connected above the storage component (32). The reflection adjustment mechanism (5) includes a shaft rod (52), a transmission component (54), and a reflection plate (56). The shaft rod (52) is rotatably connected below the interior of the furnace body (1). The transmission component (54) is interconnected with the shaft rod (52), and the reflection plate (56) is fixed on the shaft rod (52).

2. A sintering furnace according to claim 1, characterized in that: The air extraction mechanism (2) includes a first air extractor (22), a first connecting pipe (24), an air extraction pipe (26), and an air delivery pipe (28). The first air extractor (22) is installed above the furnace body (1). The first connecting pipe (24) is installed above the interior of the furnace body (1). The first connecting pipe (24) is communicated with the input end of the first air extractor (22). The air extraction pipe (26) is communicated with the first connecting pipe (24), and the air delivery pipe (28) is communicated with the output end of the first air extractor (22).

3. A sintering furnace according to claim 2, characterized in that: The storage component (32) includes a box body (322) and a filter plate (324). The upper part of the box body (322) is communicated with the air delivery pipe (28), and the filter plate (324) is installed inside the box body (322).

4. A sintering furnace according to claim 3, characterized in that: An insulation layer (326) and a heat insulation layer (328) are arranged outside the box body (322).

5. The sintering furnace according to claim 3, wherein: The blowing component (34) includes a second air extractor (342), a second connecting pipe (344), and a blowing pipe (346). The second air extractor (342) is installed above the box body (322). The second connecting pipe (344) is arranged below the interior of the furnace body (1). The second connecting pipe (344) is communicated with the output end of the second air extractor (342), and the blowing pipe (346) is communicated above the second connecting pipe (344).

6. The sintering furnace according to claim 5, wherein: A plurality of the air extraction pipes (26) and the blowing pipes (346) are respectively provided.

7. A sintering furnace according to claim 1, characterized in that: The transmission component (54) includes a motor (544), a first bevel gear (546), and a second bevel gear (548). The motor (544) is fixed below the furnace body (1). The first bevel gear (546) is connected to the output end of the motor (544). The second bevel gear (548) is fixedly sleeved on the shaft rod (52), and the second bevel gear (548) is meshed and connected with the first bevel gear (546).

8. A sintering furnace according to claim 7, characterized in that: A housing (542) is fixed outside the motor (544), and the housing (542) is fixedly connected with the furnace body (1).

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