CN216632934U - Ceramic metal sealing manufacturing device based on brazing - Google Patents
Ceramic metal sealing manufacturing device based on brazing Download PDFInfo
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- CN216632934U CN216632934U CN202122988074.9U CN202122988074U CN216632934U CN 216632934 U CN216632934 U CN 216632934U CN 202122988074 U CN202122988074 U CN 202122988074U CN 216632934 U CN216632934 U CN 216632934U
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Abstract
The utility model discloses a brazing-based ceramic-metal sealing manufacturing device, belongs to the technical field of ceramic-metal sealing, and solves the problems that the existing ceramic-metal sealing manufacturing device is slow in cooling process, the ceramic-metal sealing efficiency is restricted, and the sealing quality is influenced due to uneven cooling of all parts. The sealing device comprises a sealing device body, wherein the sealing device body is a horizontal cylinder, two symmetrical second cold air pipes are arranged at the top of the sealing device body in a penetrating mode, products cannot be directly impacted by cold air, one side of the products is supercooled, and the contraction difference of a brazing sealing part is large, so that the sealing tightness is poor and the product quality is influenced. Meanwhile, two cold air inlets are arranged, and cold air impacts the inner wall of the sealing device body, so that the inner wall is rapidly cooled, the cooling time is reduced, and the production efficiency is improved.
Description
Technical Field
The utility model belongs to the technical field of ceramic-metal sealing, and particularly relates to a ceramic-metal sealing manufacturing device based on brazing.
Background
Ceramic-to-metal sealing, i.e. the gas-tight connection of a metal material to a ceramic, has been developed on the basis of metal brazing techniques, in which a metal layer that bonds firmly to the ceramic is applied to the surface of the ceramic, or in which a chemically active metal layer is applied to the surface of the ceramic, which active metal layer is capable of wetting the solder to the ceramic. And then the brazing between the ceramics and the metal can be realized.
The welding flux is melted at high temperature in the sealing manufacturing device and is solidified in cooling, so that ceramic-metal sealing is realized.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a ceramic-metal sealing manufacturing device based on brazing, which is used for solving the following technical problems:
the prior ceramic-metal sealing manufacturing device has the problems that the speed is low in the cooling process, the ceramic-metal sealing efficiency is limited, and the sealing quality is influenced due to uneven cooling of all parts.
In order to achieve the purpose, the utility model provides the following technical scheme:
the ceramic metal sealing manufacturing device based on brazing comprises a sealing device body, wherein the sealing device body is a horizontal cylinder, two symmetrical second cold air pipes penetrate through the top of the sealing device body, and an air outlet pipe penetrates through the bottom of the sealing device body;
the sealing device comprises a sealing device body and is characterized in that a buffer tank is arranged on one side of the sealing device body, the ends of two symmetrical second cold air pipe ends are respectively communicated with the buffer tank, the buffer tank is further connected with a first cold air pipe, one end, far away from the buffer tank, of the first cold air pipe is connected with a fan, an air inlet of the fan is connected with a cooler, and one end, far away from the fan, of the cooler is communicated with an air outlet pipe.
Further scheme: the buffer tank is in a horizontal capsule shape.
Further scheme: the two symmetrical ends of the second cold air pipe are respectively communicated with the two ends of the buffer tank, and the first cold air pipe is communicated with the middle part of the buffer tank.
Further scheme: the cross-sectional area of the first cold air pipe is 2 times of the cross-sectional area of the second cold air pipe.
Further scheme: the diameter of the second cold air pipe is 0.5 times of that of the outlet pipe.
Further scheme: the sealing device body is sequentially divided into a heating layer, a heat preservation layer and a shell from inside to outside.
Further scheme: and a plurality of annular radiating fins are arranged on the outer side of the tube wall of the air outlet tube, and heat-conducting silicone grease is smeared on the surfaces of the annular radiating fins.
Compared with the prior art, the utility model has the beneficial effects that:
two symmetrical second cold air pipes are arranged at the top of the sealing device body in a penetrating mode and are respectively close to two ends of the sealing device body. The cold air does not directly impact the product in the middle position, but passes through two ends, impacts the inner wall of the sealing device body and flows out from the middle of the bottom of the sealing device body. The cold air does not directly impact the product, one side of the product is overcooled, and the shrinkage difference of the brazing sealing part is large, so that the sealing tightness is not good, and the product quality is not influenced.
Meanwhile, two cold air inlets are arranged, and cold air impacts the inner wall of the sealing device body, so that the inner wall is rapidly cooled, the cooling time is reduced, and the production efficiency is improved.
Drawings
In order to facilitate understanding for those skilled in the art, the present invention will be further described with reference to the accompanying drawings.
Fig. 1 is a schematic overall structure diagram of a sealing manufacturing apparatus according to an embodiment of the present invention;
FIG. 2 is a front view of a manufacturing apparatus provided in accordance with an embodiment of the present invention;
FIG. 3 is a schematic sectional view taken along line A-A of FIG. 2;
FIG. 4 is an enlarged view of area B of FIG. 3;
fig. 5 is a right side view of a manufacturing apparatus according to an embodiment of the present invention.
In the figure: 1. sealing the device body; 101. a feed port is sealed; 102. a housing; 103. a heat-insulating layer; 104. a heating layer; 2. a fan; 201. a first cold air duct; 202. a buffer tank; 203. a second cold air duct; 204. an air valve; 205. an air outlet pipe; 206. a cooler; 207. annular radiating fin.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the detailed description and specific examples, while indicating the preferred embodiment of the utility model, are intended for purposes of illustration only and are not intended to limit the scope of the utility model. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present invention without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-5, in the embodiment of the present invention, the brazing-based ceramic-metal sealing manufacturing apparatus includes a sealing apparatus body 1, a fan 2 and a cooler 206, the sealing apparatus body 1 is a horizontal cylinder, two symmetrical second cold air pipes 203 are arranged through the top of the sealing apparatus body 1, the two symmetrical second cold air pipes 203 are respectively close to two ends of the sealing apparatus body 1, one end of the sealing apparatus body 1 is provided with a feed port, the feed port is provided with a feed port cover 101, and the bottom of the sealing apparatus body 1 is provided with an air outlet pipe 205 through the bottom;
the two symmetrical ends of the second cold air pipe 203 are respectively communicated with two ends of the buffer tank 202, the first cold air pipe 201 is communicated with the middle of the buffer tank 202, one end, far away from the buffer tank 202, of the first cold air pipe 201 is communicated with the fan 2, an air inlet of the fan 2 is communicated with the cooler 206, one end, far away from the fan 2, of the cooler 206 is communicated with the air outlet pipe 205, preferably, the outer side of the pipe wall of the air outlet pipe 205 is provided with a plurality of annular radiating fins 207, the surfaces of the annular radiating fins 207 can be coated with heat-conducting silicone grease, and hot air extracted from the sealing device body 1 is pre-cooled.
The buffer tank 202 is in a horizontal capsule shape; the sealing device body 1 is sequentially divided into a heating layer 104, a heat preservation layer 103 and a shell 102 from inside to outside.
The cross-sectional area of the first cold air pipe 201 is 2 times of the cross-sectional area of the second cold air pipe 203, so that the cold air flow rates of the first cold air pipe 201 and the second cold air pipe 203 are substantially consistent.
The diameter of the second cold air pipe 203 is 0.5 times of the diameter of the outlet pipe 205, and the diameter of the outlet pipe 205 is set to be 2 times of the diameter of the second cold air pipe 203 due to the heated volume expansion of the gas, which is beneficial to the rapid extraction of the hot gas.
The air valves 204 are disposed at the positions of the second cold air pipe 203 and the air outlet pipe 205 close to the sealing device body 1, which are omitted in the schematic diagram because of the prior art.
The working principle is as follows:
firstly, the air valves 204 of the second cold air pipe 203 and the air outlet pipe 205 close to the sealing device body 1 are both in a closed state, the inside of the sealing device body 1 is in an inert gas atmosphere, the heating layer 104 of the sealing device body 1 heats the inside of the sealing device body 1 to the temperature required by ceramic metal brazing, and the heating layer 104 is uniformly arranged in the circumferential direction, so that the temperature rise in the sealing device body 1 is rapid and uniform, the ceramic metal brazing sealing part is flat, and the heating is stopped after the brazing is finished;
and then opening air valves 204 of the first cold air pipe 201, the second cold air pipe 203 and the air outlet pipe 205, simultaneously opening the fan 2, pumping hot air out of the sealing device body 1, pre-cooling the hot air through the air outlet pipe 205, fully cooling the hot air through the cooler 206 to form cold air, continuously cooling the inside of the sealing device body 1 until the temperature meets the production requirement, finally completing ceramic-metal sealing, opening the feed inlet sealing cover 101, taking out the product, and then processing the product.
As shown in fig. 3, the cold air flows inside the sealing device body 1 (indicated by arrows in the figure), and the cold air does not directly impact the product at the middle position, but passes through the two ends, impacts the inner wall of the sealing device body 1, and then flows out from the middle of the bottom of the sealing device body 1. The cold air does not directly impact the product, one side of the product is overcooled, and the shrinkage difference of the brazing sealing part is large, so that the sealing tightness is not good, and the product quality is not influenced. Meanwhile, two cold air inlets are arranged, and cold air impacts the inner wall of the sealing device body 1, so that the inner wall is rapidly cooled, the cooling time is reduced, and the production efficiency is improved.
The foregoing is merely exemplary and illustrative of the present invention, and various modifications, additions and substitutions of the specific embodiments described herein may be made by those skilled in the art without departing from the scope of the utility model as defined in the accompanying claims.
Claims (7)
1. The ceramic metal sealing manufacturing device based on brazing comprises a sealing device body (1) and is characterized in that the sealing device body (1) is a horizontal cylinder, two symmetrical second cold air pipes (203) penetrate through the top of the sealing device body (1), and an air outlet pipe (205) penetrates through the bottom of the sealing device body (1);
one side of the sealing device body (1) is provided with a buffer tank (202), the end parts of two symmetrical second cold air pipes (203) are respectively communicated with the buffer tank (202), the buffer tank (202) is further connected with a first cold air pipe (201), one end, away from the buffer tank (202), of the first cold air pipe (201) is connected with a fan (2), an air inlet of the fan (2) is connected with a cooler (206), and one end, away from the fan (2), of the cooler (206) is communicated with an air outlet pipe (205).
2. The braze-based ceramic to metal seal manufacturing apparatus of claim 1 wherein the buffer tank (202) is in the form of a horizontal capsule.
3. The brazing-based ceramic-metal seal manufacturing device according to claim 2, wherein two symmetrical second cold air pipes (203) are respectively communicated with two ends of the buffer tank (202), and the first cold air pipe (201) is communicated with the middle of the buffer tank (202).
4. The braze-based ceramic to metal seal manufacturing apparatus of claim 3, wherein the cross-sectional area of the first cold gas duct (201) is 2 times the cross-sectional area of the second cold gas duct (203).
5. The braze-based ceramic to metal seal manufacturing apparatus of claim 4, wherein the diameter of the second cold gas pipe (203) is 0.5 times the diameter of the outlet pipe (205).
6. The braze-based ceramic-metal seal making device according to claim 1, wherein the sealing device body (1) is divided into a heating layer (104), an insulating layer (103) and a housing (102) in sequence from inside to outside.
7. The brazing-based ceramic-metal sealing manufacturing device according to claim 1, wherein a plurality of annular heat dissipation fins (207) are arranged on the outer side of the tube wall of the air outlet tube (205), and heat conduction silicone grease is coated on the surfaces of the annular heat dissipation fins (207).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122988074.9U CN216632934U (en) | 2021-12-01 | 2021-12-01 | Ceramic metal sealing manufacturing device based on brazing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122988074.9U CN216632934U (en) | 2021-12-01 | 2021-12-01 | Ceramic metal sealing manufacturing device based on brazing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216632934U true CN216632934U (en) | 2022-05-31 |
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ID=81737289
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122988074.9U Active CN216632934U (en) | 2021-12-01 | 2021-12-01 | Ceramic metal sealing manufacturing device based on brazing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216632934U (en) |
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2021
- 2021-12-01 CN CN202122988074.9U patent/CN216632934U/en active Active
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