CN115682738A - Carbide high temperature calcining device - Google Patents
Carbide high temperature calcining device Download PDFInfo
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- CN115682738A CN115682738A CN202211181517.6A CN202211181517A CN115682738A CN 115682738 A CN115682738 A CN 115682738A CN 202211181517 A CN202211181517 A CN 202211181517A CN 115682738 A CN115682738 A CN 115682738A
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Abstract
The invention discloses a hard alloy high-temperature calcining device which comprises a heating box and a feeding device arranged on the heating box, wherein a plurality of high-temperature heating plates are arranged on the inner walls of two sides of the heating box, a heating spray gun is arranged between the adjacent high-temperature heating plates, the feeding device is arranged at the end part of the heating box and comprises two vertically arranged conveying belts and a plurality of supporting tables uniformly arranged on the conveying belts, calcining molds penetrating through the high-temperature heating plates are arranged on the supporting tables on the two conveying belts, vertically arranged heat insulation plates are arranged on the outer sides of bearing rods, a first feeding belt and a second feeding belt which are communicated with the conveying belts are arranged on the upper part and the lower part of the heating box, and a heat insulation box for wrapping the second feeding belt is arranged on one side of the lower part of the heating box. According to the invention, the feeding device is arranged in the heating box, so that the product to be calcined can be conveyed from top to bottom by using the feeding device, and continuous calcining operation can be realized on the product by matching with the heating plate and the heating spray gun, and the calcining efficiency of the product can be effectively improved.
Description
Technical Field
The invention relates to the field of hard alloy production, in particular to a high-temperature calcining device for hard alloy.
Background
The hard alloy is an alloy material with high hardness, strength, wear resistance and corrosion resistance, and is widely applied to the fields of military industry, aerospace, machining, metallurgy, petroleum drilling, mine tools, electronic communication, buildings and the like. The production of hard alloy is made by the powder metallurgy technology of hard compound of refractory metal and bonding metal, the powder metallurgy is mainly to melt the powdery raw material by high temperature calcination to form the hard alloy product with specific shape, the existing melting is mainly realized by a melting furnace, the melting furnace is used for firing one furnace by one furnace when heating the product, and after each furnace is fired, the temperature of the melting furnace needs to be emitted, thus causing the production efficiency to be low, therefore, the existing calcination mode of hard alloy needs to be improved to improve the production efficiency of hard alloy products.
Disclosure of Invention
The invention aims to provide a high-temperature calcining device for hard alloy, which can realize continuous firing of hard alloy products, thereby improving the production efficiency of the hard alloy products.
The purpose of the invention is realized by the following technical scheme:
the utility model provides a carbide high temperature calcination device, includes the heating cabinet and installs the material feeding unit on the heating cabinet, the heating cabinet is the rectangle, all installs the high temperature heating board of polylith along height distribution on the inner wall of heating cabinet both sides, installs the heating spray gun between the adjacent high temperature heating board, material feeding unit installs the tip at the heating cabinet, material feeding unit includes the conveyer belt of two vertical settings and a plurality of brace table of evenly installing on the conveyer belt, and two conveyer belts pass through motor with fast antiport, the tip at the heating cabinet both ends is installed respectively to two conveyer belts, is equipped with the mould of calcining that passes from between the high temperature heating board on the brace table on two conveyer belts, it places on the brace table to calcine the mould both ends through the bearing bar, the bearing bar outside is installed the vertical setting's, heating cabinet upper portion and lower part are equipped with the first pay-off area and the second pay-off area with the conveyer belt intercommunication, heating cabinet lower part one side is equipped with the insulation can of parcel second pay-off area.
The high-temperature heating plates are concave, and gaps for the bearing rods to penetrate through are reserved between the high-temperature heating plates on the two sides of the heating box.
The calcining die comprises an outer die and an inner die which is detachably mounted in the outer die, and a die cavity for placing hard alloy products is arranged in the middle of the inner die.
The heating spray gun is connected with an air supply pipe, a valve is installed in the air supply pipe, a controller for controlling the heating spray gun to work is installed on the heating spray gun, the valve is connected with the controller, and an igniter for ignition is further installed on the heating spray gun.
And a position sensor for detecting the bearing rod is arranged on the heat insulation plate and is connected with the controller.
The support table is provided with a clamping groove for limiting the bearing rod, and the first feeding belt and the second feeding belt are provided with L-shaped push plates for supporting the bearing rod.
The top of the heating box is provided with a hot air circulating pipe, the air outlet end of the hot air circulating pipe is communicated with the heat preservation box, and a high-temperature resistant fan is arranged in the hot air circulating pipe.
The hard alloy high-temperature calcining device provided by the invention has the beneficial effects that:
(1) The heating box is internally provided with the feeding device, so that a product to be calcined can be conveyed from top to bottom by using the feeding device, and meanwhile, the continuous calcining operation can be realized on the product by matching with the heating plate and the heating spray gun, the calcining efficiency of the product can be effectively improved, in addition, the heating spray gun can also stop by using a gap through which a calcining die passes, and the service life of the heating spray gun is effectively prolonged;
(2) The contour of the calcining mold can be attached by arranging the C-shaped high-temperature heating plate, so that the heat preservation effect is ensured;
(3) By installing the detachable inner die in the outer die, different inner dies can be adopted according to the shapes of products to adapt to the calcining processing of various products;
(4) Through set up the heat insulating board in the heating cabinet, utilize the heat insulating board can prevent that the temperature in the heating cabinet from influencing material feeding unit, the effectual operating mode that has guaranteed material feeding unit, position sensor on the heat insulating board can judge the position of calcining the mould simultaneously, provides reference signal for corresponding position heating spray gun work.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1 is a schematic structural diagram provided in an embodiment of the present invention.
Fig. 2 is a first schematic view of an internal structure of a heating box according to an embodiment of the present invention.
Fig. 3 is a schematic diagram of an internal structure of a heating box according to an embodiment of the present invention.
Fig. 4 is a schematic structural diagram of a heating lance according to an embodiment of the present invention.
Reference numerals: 1. a heating box; 11. a hot gas circulation pipe; 12. a high temperature resistant fan; 2. a feeding device; 21. a conveyor belt; 22. a support table; 23. a card slot; 24. a motor; 3. heating the plate at high temperature; 4. heating the spray gun; 41. a gas supply pipe; 42. a valve; 43. a controller; 44. an igniter; 5. calcining the mold; 51. an outer mold; 52. an inner mold; 53. a mold cavity; 54. a load-bearing bar; 6. a heat insulation plate; 61. a position sensor; 7. a first feeding belt; 8. a second feeding belt; 9. an L-shaped push rod; 10. and (7) an incubator.
Detailed Description
Examples
As shown in fig. 1 to 4, the high-temperature carbide calcining device provided in this embodiment includes a heating box 1 and a feeding device 2 installed on the heating box 1, the heating box 1 is rectangular, a plurality of high-temperature heating plates 3 distributed along the height are installed on the inner walls of both sides of the heating box 1, the high-temperature heating plates 3 can provide auxiliary heating for calcining, a heating spray gun 4 is installed between adjacent high-temperature heating plates 3, the heating spray gun 4 is used for providing high temperature to assist in calcining the carbide product, the feeding device 2 is installed at the end of the heating box 1, the feeding device 2 includes two vertically arranged conveyor belts 21 and a plurality of supporting tables 22 evenly installed on the conveyor belts 21, the two conveyor belts 21 are respectively installed at the end of both ends of the heating box 1, and the two conveyor belts 21 are rotated in opposite directions at the same speed by a motor 24, the calcining mold 5 penetrating through the high-temperature heating plates 3 is arranged on the supporting tables 22 on the two conveyor belts 21 and used for containing hard alloy products to be calcined, two ends of the calcining mold 5 are placed on the supporting tables 22 through the bearing rods 54, the calcining mold 5 comprises an outer mold 51 and an inner mold 52 detachably mounted in the outer mold 51, a mold cavity 53 for placing the hard alloy products is arranged in the middle of the inner mold 52, the detachable inner mold 52 can be replaced according to products with different shapes and sizes to ensure the calcining effect of the hard alloy products, in order to avoid the influence of the high-temperature heating plates 3 and the heating spray guns 4 on the feeding device 2, the outer side of the bearing rod 54 is provided with a vertically arranged mold cavity 6, the feeding device 2 and the heating spray guns 4 are separated by heat insulation plates 6, the upper part and the lower part of the heating box 1 are provided with a first feeding belt 7 and a second feeding belt 8 communicated with the conveyor belts 21, the first feeding belt 7 is used for processing a hard alloy product to be calcined and feeding the hard alloy product into the heating box 1, the second feeding belt 8 is used for feeding the calcined hard alloy product out, in order to guarantee the performance of the hard alloy product, an insulation box 10 wrapping the second feeding belt 8 is arranged on one side of the lower portion of the heating box 1, and the insulation box 10 is used for stably cooling the hard alloy product, so that the quality of the hard alloy product is guaranteed.
In order to ensure that the hard alloy product can be stably calcined, as shown in fig. 3, the high-temperature heating plates 3 are concave, and a gap for the bearing rod 54 to pass through is reserved between the high-temperature heating plates 3 on the two sides of the heating box 1, so that the calcining mold 5 can be placed on the feeding device 2.
In order to ensure that the calcination temperature can meet the metallurgy requirement of the hard alloy product, as shown in fig. 4, an air supply pipe 41 is connected to the heating lance 4, a valve 42 is installed in the air supply pipe 41, a controller 43 for controlling the heating lance 4 to work is installed on the heating lance 4, the valve 42 is connected with the controller 43, an igniter 44 for ignition is also installed on the heating lance 4, when the heating lance 4 is used, the controller 43 controls the valve 42 to be opened, the igniter 44 ignites the fuel gas conveyed in the air supply pipe 41, in order to ensure the heating efficiency, a position sensor 61 for detecting the bearing rod 54 is installed on the heat insulation plate 6, the position sensor 61 is connected with the controller 43, and when the calcination mold 5 is moved to a corresponding position, the heating lance 4 opposite to the calcination mold 5 works to heat the moving calcination mold 5, so that the heating lance 4 has a certain time to buffer after the calcination mold 5 is moved away, thereby prolonging the service life of the heating lance 4 and avoiding short working time caused by overuse.
In order to ensure that the calcining mold 5 can normally move, as shown in fig. 1 to 3, a clamping groove 23 for limiting the bearing rod 54 is processed on the supporting table 22, and L-shaped push plates for supporting the bearing rod 54 are mounted on the first feeding belt 7 and the second feeding belt 8.
In order to avoid the influence of temperature reduction on the quality of the hard alloy product after calcination, as shown in fig. 1, a hot air circulating pipe 11 is arranged at the top of the heating box 1, an air outlet end of the hot air circulating pipe 11 is communicated with the heat preservation box 10, a high temperature resistant fan 12 is arranged in the hot air circulating pipe 11, and the high temperature resistant fan 12 is used for conveying residual hot air heated in the heating box 1 to the heat preservation box 10, so that the hard alloy product can be slowly cooled.
The using method of the invention is as follows:
when the sintering device is used, a pressed hard alloy product is placed into a die cavity 53 of an inner die 52, then the inner die 52 is installed on an outer die 51, then the outer die 51 is placed on a first feeding belt 7, an L-shaped push rod 9 on the first feeding belt 7 pushes a calcining die 5 into a support table 22 on a feeding device 2, then the calcining die 5 is driven by a motor 24 to slowly move downwards, the high-temperature heating plate 3 is electrified to be heated up to improve the temperature in the heating box 1, when the calcining die 5 moves downwards, a position sensor 61 detects a bearing rod 54 and then starts a corresponding spray gun to sinter and melt the hard alloy product in the calcining die 5, when the material is fed through the feeding device 2, the high-temperature heating plate 3 and the heating spray gun 4 in the heating box 1 continuously heat the calcining die 5, so that the heating efficiency is effectively ensured, when the calcining die 5 is moved away, the heating spray gun 4 can have a rest time, the service life can be prolonged, and finally, the calcined hard alloy product moves to a second feeding belt 8 along with the calcining die 5 and is sent out, when the calcining die 5 is sent out, the heat preservation box 10 has a stable effect, and the heat preservation effect, so that the hard alloy structure can be ensured.
The above description is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any modification and replacement based on the technical solution and inventive concept provided by the present invention should be covered within the scope of the present invention. It should be noted that structures or components illustrated in the drawings are not necessarily drawn to scale, and descriptions of well-known components and processing techniques and processes are omitted so as to not unnecessarily limit the invention.
Claims (7)
1. A hard alloy high-temperature calcining device is characterized in that: including the heating cabinet and install the material feeding unit on the heating cabinet, the heating cabinet is the rectangle, all installs the high temperature heating board of polylith along height distribution on the inner wall of heating cabinet both sides, installs the heating spray gun between the adjacent high temperature heating board, material feeding unit installs the tip at the heating cabinet, material feeding unit includes the conveyer belt of two vertical settings and a plurality of brace table of evenly installing on the conveyer belt, and two conveyer belts pass through motor with fast antiport, and the tip at the heating cabinet both ends is installed respectively to two conveyer belts, is equipped with the calcination mould that passes from between the high temperature heating board on the brace table on two conveyer belts, calcination mould both ends are placed on the brace table through the bearing bar, the heat insulating board of vertical setting is installed in the bearing bar outside, heating cabinet upper portion and lower part are equipped with first pay-off area and the second pay-off area with the conveyer belt intercommunication, heating cabinet lower part one side is equipped with the insulation can of parcel second pay-off area.
2. The apparatus according to claim 1, wherein: the high-temperature heating plates are concave, and gaps for the bearing rods to penetrate through are reserved between the high-temperature heating plates on the two sides of the heating box.
3. The apparatus according to claim 1, wherein: the calcining die comprises an outer die and an inner die which is detachably mounted in the outer die, and a die cavity for placing hard alloy products is arranged in the middle of the inner die.
4. The apparatus according to claim 1, wherein: the heating spray gun is connected with an air supply pipe, a valve is installed in the air supply pipe, a controller for controlling the heating spray gun to work is installed on the heating spray gun, the valve is connected with the controller, and an igniter for ignition is further installed on the heating spray gun.
5. The apparatus according to claim 1, wherein: and a position sensor for detecting the bearing rod is arranged on the heat insulation plate and is connected with the controller.
6. A high temperature calcination device for cemented carbide according to claim 1, characterized in that: the supporting table is provided with a clamping groove for limiting the bearing rod, and the first feeding belt and the second feeding belt are provided with L-shaped push plates for supporting the bearing rod.
7. The apparatus according to claim 1, wherein: the top of the heating box is provided with a hot air circulating pipe, the air outlet end of the hot air circulating pipe is communicated with the heat preservation box, and a high-temperature resistant fan is arranged in the hot air circulating pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211181517.6A CN115682738A (en) | 2022-09-27 | 2022-09-27 | Carbide high temperature calcining device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211181517.6A CN115682738A (en) | 2022-09-27 | 2022-09-27 | Carbide high temperature calcining device |
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| Publication Number | Publication Date |
|---|---|
| CN115682738A true CN115682738A (en) | 2023-02-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211181517.6A Pending CN115682738A (en) | 2022-09-27 | 2022-09-27 | Carbide high temperature calcining device |
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| CN (1) | CN115682738A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117109307A (en) * | 2023-10-20 | 2023-11-24 | 晋中市宏兴碳素有限公司 | Graphite electrode roasting furnace |
-
2022
- 2022-09-27 CN CN202211181517.6A patent/CN115682738A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117109307A (en) * | 2023-10-20 | 2023-11-24 | 晋中市宏兴碳素有限公司 | Graphite electrode roasting furnace |
| CN117109307B (en) * | 2023-10-20 | 2024-01-05 | 晋中市宏兴碳素有限公司 | Graphite electrode roasting furnace |
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