CN213238435U - Ultra-high temperature solder sintering device - Google Patents
Ultra-high temperature solder sintering device Download PDFInfo
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- CN213238435U CN213238435U CN202022231506.7U CN202022231506U CN213238435U CN 213238435 U CN213238435 U CN 213238435U CN 202022231506 U CN202022231506 U CN 202022231506U CN 213238435 U CN213238435 U CN 213238435U
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Abstract
The utility model discloses an ultra-high temperature solder sintering device, which comprises a sintering furnace box body, a feeding port track, an air inlet, a box body cooling pipe, a coil mounting panel, a heating coil, a high temperature track, a cooling water jacket, a water inlet, a water outlet, a low temperature cooling track and a discharge port; the feeding port rail is arranged on the left side of the sintering furnace box body, the air inlet is arranged below the right side of the sintering furnace box body, the box body cooling pipe is arranged around the sintering furnace box body, and the coil mounting panel is arranged on the right side of the sintering furnace box body; the heating coil is arranged in the sintering furnace box body, is fixed on the coil mounting panel and is externally connected with an induction heating power supply; the high-temperature track is arranged inside the sintering furnace box body; the utility model relates to a rationally, use cost lower, reduce cost of labor, degree of automation height.
Description
Technical Field
The utility model relates to a sintering device especially relates to an ultra-high temperature solder sintering device.
Background
The magnetron is widely used as a microwave generating source of a microwave oven or the like, and the cathode assembly is a core component of the magnetron. The cathode of the magnetron consists of a molybdenum end cap assembly, a welding flux and a tungsten filament, the mature process at present is to coat the welding flux in the groove of the molybdenum end cap, then sinter the welding flux at high temperature to prepare the welding flux integrated molybdenum end cap assembly, and finally weld the molybdenum end cap assembly and the tungsten filament at high temperature through the welding flux. The ruthenium element material of the traditional ruthenium-molybdenum system solder is high in cost and is gradually replaced by the silicon-molybdenum system solder, but the melting point of the silicon-molybdenum solder is as high as 2000-2200 ℃, and the common heat treatment furnace is difficult to realize the sintering of the solder at the high temperature. If an ultra-high temperature resistance sintering furnace is adopted, the carbon rod used for heating can volatilize carbon elements to pollute the welding flux; if a medium-frequency induction sintering furnace is adopted, the cost of the sintering furnace is as high as 400 plus 800 RMB, the cost is high, the temperature field distribution of the sintering furnace is not uniform, and the batch production process is difficult to control. The popularization and the use of the silicon-molybdenum solder are seriously restricted by the factors, the existing high-temperature sintering furnace is difficult to realize the full-automatic production, the manual material swinging and material receiving are needed, and the labor cost is greatly increased under the condition of mass production.
Disclosure of Invention
In order to overcome the defects of the prior art, the utility model provides an ultra-high temperature solder sintering device which has reasonable design, low use cost, high labor cost reduction and high automation degree.
An ultra-high temperature solder sintering device comprises a sintering furnace box body, a feeding port track, an air inlet, a box body cooling pipe, a coil mounting panel, a heating coil, a high temperature track, a cooling water jacket, a water inlet, a water outlet, a low temperature cooling track and a discharge port; the feeding port rail is arranged on the left side of the sintering furnace box body, the air inlet is arranged below the right side of the sintering furnace box body, the box body cooling pipe is arranged around the sintering furnace box body, and the coil mounting panel is arranged on the right side of the sintering furnace box body; the heating coil is arranged in the sintering furnace box body, is fixed on the coil mounting panel and is externally connected with an induction heating power supply; the high-temperature track is arranged in the sintering furnace box body, the lower part of the high-temperature track is supported by a high-temperature resistant plate, and the upper part of the high-temperature track bears a molybdenum boat or a tungsten boat; the cooling water jacket is arranged on the right side of the sintering furnace box body, the water inlet and the water outlet are arranged at the left end and the right end of the cooling water jacket, the low-temperature cooling track is arranged in the cooling water jacket, and the two ends of the low-temperature cooling track are connected with the sintering furnace box body and the discharge hole.
Further, still include low temperature observation window, high temperature observation window, the low temperature observation window is installed at the top of sintering furnace box, the left side at the sintering furnace box is installed to the high temperature observation window.
Furthermore, the low-temperature observation window is colorless transparent glass, and the high-temperature observation window is colored glass.
Further, the furnace also comprises an explosion-proof valve which is arranged above the right side of the sintering furnace box body.
Furthermore, the two air inlets are correspondingly arranged on the same side of the sintering furnace box body.
Further, the high-temperature rail is made of molybdenum alloy.
Furthermore, the sintering furnace box body, the feeding port rail, the low-temperature cooling rail, the box body cooling pipe, the cooling water jacket and the high-temperature resistant plate are made of 304 stainless steel.
Furthermore, the heating coil is a hollow copper pipe with the diameter of 8-10 mm, and circulating cooling liquid is introduced into the heating coil.
Further, the power of the induction heating power supply is 45-60 KW.
The utility model has the advantages that: the heating speed is high, the highest sintering temperature can reach 2200-2300 ℃, and the rapid sintering of the ultra-high temperature silicon-molybdenum solder is realized; the structure is simple, and the cost is low; the automation degree is high, manual material placing and receiving in the conventional sintering process are avoided, and the labor cost is greatly reduced; the method has great advantages in the aspects of energy consumption saving, process control and the like after the mass production of products.
Drawings
The present invention will be further explained with reference to the drawings and examples.
Fig. 1 is a perspective view of the present invention;
fig. 2 is a side schematic view of the present invention;
fig. 3 is a schematic top view of the present invention;
fig. 4 is a schematic view of the combination of a heating coil, molybdenum end cap with solder, molybdenum boat or tungsten boat of the present invention.
Detailed Description
Referring to fig. 1-4, an ultra-high temperature solder sintering device comprises a sintering furnace box body 1, a feeding port track 2, two air inlets 3, a box body cooling pipe 4, a low temperature observation window 5, a high temperature observation window 6, an explosion-proof valve 7, a coil mounting panel 8, a heating coil 9, a high temperature track 10, a cooling water jacket 11, a water inlet 12, a water outlet 13, a low temperature cooling track 14, a discharge port 15, a molybdenum end cap 16 with solder, and a molybdenum boat or tungsten boat 17; as shown in fig. 1, the sintering furnace box body 1 has good tightness and is installed on a workbench with a proper height, the explosion-proof valve 7 is installed above the right side of the sintering furnace box body 1, the feeding port track 2 is arranged at the left side of the sintering furnace box body 1, the air inlets 3 are installed below the right side of the sintering furnace box body 1, the two air inlets 3 are correspondingly installed at the same side of the sintering furnace box body 1, the box body cooling pipe 4 is installed around the sintering furnace box body 1, and the coil installation panel 8 is installed at the right side of the sintering furnace box body 1; as shown in fig. 3 and 4, the heating coil 9 is installed inside the sintering furnace box body 1, the heating coil 9 is a hollow copper pipe with the diameter of 8-10 mm, cooling water is introduced into the heating coil 9, and the heating coil 9 is fixed on the coil installation panel 8 and externally connected with an induction heating power supply with the power of 60 KW; the high-temperature track 10 is arranged in the sintering furnace box body 1, the lower part of the high-temperature track 10 is supported by a high-temperature resistant plate, the upper part of the high-temperature track carries a molybdenum boat or a tungsten boat 17 and penetrates through the middle of the heating coil 9, and the high-temperature track 10 is made of molybdenum alloy; as shown in fig. 2, the cooling water jacket 11 is installed on the right side of the sintering furnace box body 1, the water inlet 12 and the water outlet 13 are arranged at the left end and the right end of the cooling water jacket 11, the low-temperature cooling rail 14 is installed inside the cooling water jacket 11, and the two ends of the low-temperature cooling rail 14 are connected with the sintering furnace box body 1 and the discharge hole 15.
The low-temperature observation window 5 is arranged at the top of the sintering furnace box body 1, and the low-temperature observation window 5 is colorless transparent glass; the high-temperature observation window 6 is arranged on the left side of the sintering furnace box body 1, and the high-temperature observation window 6 is made of blue or green glass.
The sintering furnace box body 1, the feeding port rail 2, the low-temperature cooling rail 14, the box body cooling pipe 4, the cooling water jacket 11 and the high-temperature resistant plate are made of 304 stainless steel.
The working principle is as follows: connecting a heating coil 9 with a 60kw high-frequency induction power supply, and introducing high-purity argon into the air inlet 3 for 15-30min until all air in the sintering furnace box body 1 is replaced; then, circulating water is filled into the box body cooling pipe 4 and the low-temperature cooling track 14, and the temperature of the whole box body is guaranteed to be maintained below 50 ℃; after all the parts are installed in place, the induction heating power supply is turned on, the molybdenum boat or the tungsten boat 17 is gradually heated, an infrared thermometer can be adopted to detect the temperature of the molybdenum boat or the tungsten boat 17 in the high-temperature area through the low-temperature observation window 5, and the molybdenum boat or the tungsten boat 17 in the high-temperature area is stabilized between 1800 plus-2100 ℃; pushing the molybdenum end cap coated with the welding flux into the feed inlet track 2 through a push rod, and starting to enter a low-temperature region of the sintering furnace at the moment; the push rod stably pushes the molybdenum end cap 16 with the solder to move in the track at a certain speed, when the molybdenum end cap 16 with the solder enters a high-temperature region, the molybdenum end cap 16 with the solder is heated by the molybdenum or tungsten boat 17 and the heating coil 9 at the same time, the load of a heating power supply is increased, the current needs to be finely adjusted to improve the sintering temperature of the high-temperature region, and the heating and moving states of the molybdenum end cap 16 with the solder can be observed through the high-temperature observation window 6; after being heated in a high-temperature area of 0.5-3min, the molybdenum end cap 16 with the solder finishes the sintering of the silicon-molybdenum solder, and is pushed into a low-temperature cooling rail 14, and under the cooling action of the cooling water jacket 11, the molybdenum end cap 16 with the solder is cooled to be below 100 ℃, and then is led out from a discharge port 15. Finally, the material pushing speed and the heating current are adjusted in time according to the sintering state of the solder at the discharge port 15 until the molybdenum end cap 16 with the solder is stably and continuously output; the device can directly pour the end cap into the vibration disc, and can fully automatically obtain the molybdenum end cap which is sintered by the solder; the time required for adjusting the whole sintering process is less than 10min, and the number of samples required for adjusting is less than 200.
According to the above description and the specific embodiments, the present invention is not limited to the above-described specific embodiments, and some modifications and variations of the present invention should fall within the protection scope of the claims of the present invention.
Claims (9)
1. An ultra-high temperature solder sintering device comprises a sintering furnace box body, a feeding port track, an air inlet, a box body cooling pipe, a coil mounting panel, a heating coil, a high temperature track, a cooling water jacket, a water inlet, a water outlet, a low temperature cooling track and a discharge port; the method is characterized in that: the feeding port rail is arranged on the left side of the sintering furnace box body, the air inlet is arranged below the right side of the sintering furnace box body, the box body cooling pipe is arranged around the sintering furnace box body, and the coil mounting panel is arranged on the right side of the sintering furnace box body; the heating coil is arranged in the sintering furnace box body, is fixed on the coil mounting panel and is externally connected with an induction heating power supply; the high-temperature track is arranged in the sintering furnace box body, the lower part of the high-temperature track is supported by a high-temperature resistant plate, and the upper part of the high-temperature track bears a molybdenum boat or a tungsten boat; the cooling water jacket is arranged on the right side of the sintering furnace box body, the water inlet and the water outlet are arranged at the left end and the right end of the cooling water jacket, the low-temperature cooling track is arranged in the cooling water jacket, and the two ends of the low-temperature cooling track are connected with the sintering furnace box body and the discharge hole.
2. The ultra-high temperature solder sintering device according to claim 1, characterized in that: the sintering furnace further comprises a low-temperature observation window and a high-temperature observation window, wherein the low-temperature observation window is arranged at the top of the sintering furnace box body, and the high-temperature observation window is arranged on the left side of the sintering furnace box body.
3. The ultra-high temperature solder sintering apparatus according to claim 2, characterized in that: the low-temperature observation window is colorless transparent glass, and the high-temperature observation window is colored glass.
4. The ultra-high temperature solder sintering device according to claim 1, characterized in that: the explosion-proof valve is arranged above the right side of the sintering furnace box body.
5. The ultra-high temperature solder sintering apparatus according to claim 2, characterized in that: the two air inlets are correspondingly arranged on the same side of the sintering furnace box body.
6. The ultra-high temperature solder sintering device according to claim 1, characterized in that: the high-temperature rail is made of molybdenum alloy.
7. The ultra-high temperature solder sintering device according to claim 1, characterized in that: the sintering furnace box body, the feeding port rail, the low-temperature cooling rail, the box body cooling pipe, the cooling water jacket and the high-temperature resistant plate are made of 304 stainless steel.
8. The ultra-high temperature solder sintering apparatus according to claim 1, characterized in that: the heating coil is a hollow copper pipe with the diameter of 8-10 mm, and circulating cooling liquid is introduced into the heating coil.
9. The ultra-high temperature solder sintering device according to claim 1, characterized in that: the power of the induction heating power supply is 45-60 KW.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022231506.7U CN213238435U (en) | 2020-10-10 | 2020-10-10 | Ultra-high temperature solder sintering device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022231506.7U CN213238435U (en) | 2020-10-10 | 2020-10-10 | Ultra-high temperature solder sintering device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213238435U true CN213238435U (en) | 2021-05-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022231506.7U Active CN213238435U (en) | 2020-10-10 | 2020-10-10 | Ultra-high temperature solder sintering device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213238435U (en) |
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2020
- 2020-10-10 CN CN202022231506.7U patent/CN213238435U/en active Active
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