CN202861570U - Vacuum carrier gas aluminum soldering furnace - Google Patents
Vacuum carrier gas aluminum soldering furnace Download PDFInfo
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- CN202861570U CN202861570U CN 201220467210 CN201220467210U CN202861570U CN 202861570 U CN202861570 U CN 202861570U CN 201220467210 CN201220467210 CN 201220467210 CN 201220467210 U CN201220467210 U CN 201220467210U CN 202861570 U CN202861570 U CN 202861570U
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- valve
- carrier gas
- housing
- vacuum carrier
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Abstract
The utility model relates to a vacuum carrier gas aluminum soldering furnace, and belongs to the technical field of aluminum soldering. The vacuum carrier gas aluminum soldering furnace comprises a shell body, a nitrogen pipe, water cooling motors, a main shaft, an impeller, a heating and heat insulation device, a cooling barrel, a Roots valve, a slide valve pump, a pressure regulator and an air exhausting device. The main shaft is arranged in the shell body. The water cooling motors are connected with two ends of the main shaft. The main shaft is driven to rotate by the water cooling motors. The nitrogen pipe is arranged below the main shaft. The cooling barrel is fixed above the shell body. The cooling barrel is connected with the inner portion of the shell body through a pipeline. The shell body is connected with the Roots valve through a pipeline. The Roots valve is connected with the slide valve pump. The pressure regulator is fixed on the shell body. The air exhausting device is fixed on the shell body. The heating and heat insulation device is arranged on the outer ring of the main shaft. The vacuum carrier gas aluminum soldering furnace is simple, compact and reasonable in structure, and capable of reducing the temperature rising time and the heat insulation time of soldering, shortening work period of the soldering and cooling time, reducing man power and material resources, and improving economic efficiency.
Description
Technical field
The utility model relates to a kind of vacuum carrier gas aluminum brazing furnace, belongs to the aluminum brazing furnace technical field.
Background technology
Vacuum brazing refers to that workpiece heating carries out in vacuum chamber, be mainly used in requiring the welding of the high product of quality and oxidizable material.Vacuum Soldering Technology begins so far from the forties, has become a kind of extremely rising solder technology.Appear at the earliest brazed copper and stainless part on the electronics industry, be applied to again afterwards aircraft industry, atomic energy industry, begin to be applied in nineteen fifty-nine and make on the stainless plate-fin heat exchanger.Now, be widely used in the plate-fin heat exchanger and cooler of the industrial departments such as air separation equipment, petrochemical equipment, engineering machinery, car, ship and household electrical appliances.
Vacuum brazing and other method for welding relatively have following superiority: 1, suitable soldering stainless steel, high temperature alloy, especially contain aluminium, heat-resisting alloy that the titanium amount is higher, and can obtain the soldered fitting of high-quality.2, in the heating process, part is in the vacuum atmosphere, the phenomenons such as oxidation, carburetting, decarburization, contamination and deterioration can not occur; Part integral body is heated, and thermal stress is little, deflection can be controlled at Min..3, be environment under low pressure around parent metal and the solder, can get rid of volatile impurity and gas that metal discharges under brazing temperature, the performance of parent metal itself also is improved.4, vacuum brazing pore, dreg defect can not occur without brazing flux.Also can save matting after the soldering, save time, improve working conditions.Advantageous particularly without brazing flux butt welding aluminium and alloy thereof, because the brazing flux of staying on the part can produce corrosion.5, the part heat treatment step can be carried out with vacuum brazing, also soldering can be arranged to final operation.6, the cleaning of the piece surface after vacuum brazing light is easy to check brazing quality.But the close brazed seam of 7 soldering multiple tracks, and can weld a plurality of assemblies with slice according to the capacity of stove, be a kind of efficient method for welding.
Because Vacuum Soldering Technology has unrivaled advantage, so developed rapidly and widely application in world industrially developed country.
Vacuum carrier gas soldering oven is the single chamber horizontal vacuum soldering oven that adopts the heating of nickel chromium triangle band, the insulation of multiple layer metal heat screen.This equipment forms by body of heater, bell, heating clamber, outer circulation air cooling system, Low Temperature Thermal agitating device, except magnesium apparatus, electric hydaulic fork truck, vacuum system, pneumatic system, water-cooling system, gas charging system, electric control system etc.
This stove is mainly used in the heating in vacuum soldering that cold air, oil cooler, radiator, A/C evaporator, condenser, radar netting antenna, waveguide and various plate in the automobile environment-protection product stick up formula or pipe type heat exchanger.There is following shortcoming in existing vacuum carrier gas soldering oven: 1, vacuum carrier gas soldering oven equipment one-time investment is large, and consumption costs is high during use, need to consume a large amount of electricity, water during soldering.2, vacuum carrier gas soldering oven equipment is complicated, and special maintenance and operating personnel need to be arranged, and high for operating personnel's specification requirement.3, soldering needs specific tooling fixture, and assembling and positioning requires high.4, product is main in vacuum atmosphere heats up slower by radiation heating, in order to ensure the bulk temperature uniformity of soldering work piece, needs a large amount of time of cost to be incubated in the while heating process, has caused the integral braze-welded work period long.
Therefore, present vacuum carrier gas soldering production efficiency is low, and energy-saving effect is poor, and discharging is large, and the complex structure cost is high, and these shortcomings have played the effect of restriction to promoting the use of of this product.
Summary of the invention
The purpose of this utility model is to overcome above-mentioned weak point; thereby provide a kind of vacuum carrier gas aluminum brazing furnace; reduce intensification, the temperature retention time of soldering, adopted nitrogen protection to reduce the requirement of soldering processes to vacuum, shortened the work period of soldering and the time of cooling.
The technical scheme that provides according to the utility model, vacuum carrier gas aluminum brazing furnace comprises housing, nitrogen tube, water-cooled machine, main shaft, impeller, heating and heat-insulating device, cooling cylinder, Roots's valve, slide valve pump, pressure regulator and exhaust apparatus, it is characterized in that: be provided with main shaft in the housing, be distributed with a plurality of impellers on the main shaft.Described main shaft two ends connect water-cooled machine, and water-cooled machine drives main shaft and rotates.Described main shaft below is provided with nitrogen tube.Cooling cylinder is fixed on the housing top, and cooling cylinder links to each other with enclosure interior by pipeline.Housing connects Roots's valve by pipeline, and Roots's valve connects slide valve pump.Described pressure regulator is fixed on the housing.Described exhaust apparatus is fixed on the housing.Described main shaft outer ring is provided with heating and heat-insulating device.
Described nitrogen tube is provided with a plurality of apertures.Centrifugal blower and heat exchanger are set in the described cooling cylinder.Described exhaust apparatus comprises manual ball valve, charge valve and venting cooler, and charge valve is connected on the manual ball valve, and the venting cooler is connected on the charge valve.Described heating and heat-insulating device comprises corrosion resistant plate and high temperature nickel evanohm plate, and high temperature nickel evanohm plate is connected to the corrosion resistant plate inboard.
Compared with the prior art the utility model has the following advantages: the utility model is simple, compact and reasonable for structure; Reduce intensification, the temperature retention time of soldering, adopted nitrogen protection to reduce the requirement of soldering processes to vacuum, shortened the work period of soldering and the time of cooling; Reduce manpower and materials, improved business efficiency.
Description of drawings
Fig. 1 is that the utility model partly cuts open figure.
Fig. 2 is the utility model top view.
Fig. 3 is the utility model front view.
Fig. 4 is the exhauster structure schematic diagram.
Description of reference numerals: 1-housing, 2-nitrogen tube, 3-water-cooled machine, 4-main shaft, 5-impeller, 6-heating and heat-insulating device, 6-1-corrosion resistant plate, 6-2-high temperature nickel evanohm plate, 7-cooling cylinder, 8-Roots valve, 9-slide valve pump, 10-pressure regulator, 11-exhaust apparatus, 12-manual ball valve, 13-charge valve, the 14-cooler of exitting.
The specific embodiment
Following the utility model is further described in connection with the embodiment in the accompanying drawing:
Shown in Fig. 1 ~ 4, the utility model mainly comprises housing 1, nitrogen tube 2, water-cooled machine 3, main shaft 4, impeller 5, heating and heat-insulating device 6, cooling cylinder 7, Roots's valve 8, slide valve pump 9, pressure regulator 10, exhaust apparatus 11, manual ball valve 12, charge valve 13, venting cooler 14.
Be provided with main shaft 4 in the housing 1, be distributed with a plurality of impellers 5 on the main shaft 4.Described main shaft 4 two ends connect water-cooled machine 3, and water-cooled machine 3 drives main shaft 4 and rotates.Described main shaft 4 belows are provided with nitrogen tube 2, and nitrogen tube 2 is provided with a plurality of apertures, and nitrogen out is dispersed in the housing 1 by the aperture on the nitrogen tube 2.
Described main shaft 4 outer rings are provided with heating and heat-insulating device 6, heating and heat-insulating device 6 comprises corrosion resistant plate 6-1 and high temperature nickel evanohm plate 6-2, it is inboard that high temperature nickel evanohm plate 6-2 is connected to corrosion resistant plate 6-1, and high temperature nickel evanohm plate 6-2 is used for heating, and corrosion resistant plate 6-1 is used for insulation.
Housing 1 connects Roots's valve 8 by pipeline, and Roots's valve 8 connects slide valve pump 9, and the effect of Roots's valve 8 and slide valve pump 9 is the air that detach in the housing 1, forms housing 1 interior vacuum environment.
Described pressure regulator 10 is fixed on the housing 1, and pressure regulator 10 can be experienced the variation of housing 1 interior gas pressure and adjust housing 1 internal gas pressure, keeps a constant voltage environment in the housing 1.
Described exhaust apparatus 11 is fixed on the housing 1, and exhaust apparatus 11 comprises manual ball valve 12, charge valve 13 and venting cooler 14, and charge valve 13 is connected on the manual ball valve 12, and venting cooler 14 is connected on the charge valve 13.
Operation principle of the present utility model is: when work, at housing 1 interior release nitrogen, soldering work piece is carried out atmosphere protection by nitrogen tube 2.By vacuumizing in Roots's valve 8 and 9 pairs of housings 1 of slide valve pump, formed the vacuum environment of soldering processes requirements, the pumpdown time is short.Heating and heat-insulating device 6 heats, and improves the programming rate of workpiece, has shortened the time of soldering.Simultaneously, water-cooled machine 3 drives main shaft 4 and rotates, and the high pure nitrogen in 5 pairs of housings of the impeller on the main shaft 41 carries out thermal agitation,, to guarantee the bulk temperature uniformity of soldering work piece, shorten the temperature retention time of technological requirement.Improve flowability, the uniformity of nitrogen, guaranteed the gas shield effect.Centrifugal blower in the cooling cylinder 7 and heat exchanger are forced cooling to housing 1 interior workpiece, have shortened the work-piece cools stand-by period.
Claims (5)
1. vacuum carrier gas aluminum brazing furnace, comprise housing (1), nitrogen tube (2), water-cooled machine (3), main shaft (4), impeller (5), heating and heat-insulating device (6), cooling cylinder (7), Roots's valve (8), slide valve pump (9), pressure regulator (10) and exhaust apparatus (11), it is characterized in that: be provided with main shaft (4) in the housing (1), be distributed with a plurality of impellers (5) on the main shaft (4); Described main shaft (4) two ends connect water-cooled machine (3), and water-cooled machine (3) drives main shaft (4) and rotates; Described main shaft (4) below is provided with nitrogen tube (2); Cooling cylinder (7) is fixed on housing (1) top, and cooling cylinder (7) links to each other by pipeline and housing (1) are inner; Housing (1) connects Roots's valve (8) by pipeline, and Roots's valve (8) connects slide valve pump (9); Described pressure regulator (10) is fixed on the housing (1); Described exhaust apparatus (11) is fixed on the housing (1); Described main shaft (4) outer ring is provided with heating and heat-insulating device (6).
2. vacuum carrier gas aluminum brazing furnace as claimed in claim 1, it is characterized in that: described nitrogen tube (2) is provided with a plurality of apertures.
3. vacuum carrier gas aluminum brazing furnace as claimed in claim 1, it is characterized in that: described cooling cylinder arranges centrifugal blower and heat exchanger in (7).
4. vacuum carrier gas aluminum brazing furnace as claimed in claim 1, it is characterized in that: described exhaust apparatus (11) comprises manual ball valve (12), charge valve (13) and venting cooler (14), charge valve (13) is connected on the manual ball valve (12), and venting cooler (14) is connected on the charge valve (13).
5. vacuum carrier gas aluminum brazing furnace as claimed in claim 1, it is characterized in that: described heating and heat-insulating device (6) comprises corrosion resistant plate (6-1) and high temperature nickel evanohm plate (6-2), high temperature nickel evanohm plate (6-2) is connected to corrosion resistant plate (6-1) inboard.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220467210 CN202861570U (en) | 2012-09-13 | 2012-09-13 | Vacuum carrier gas aluminum soldering furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220467210 CN202861570U (en) | 2012-09-13 | 2012-09-13 | Vacuum carrier gas aluminum soldering furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202861570U true CN202861570U (en) | 2013-04-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220467210 Expired - Fee Related CN202861570U (en) | 2012-09-13 | 2012-09-13 | Vacuum carrier gas aluminum soldering furnace |
Country Status (1)
| Country | Link |
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| CN (1) | CN202861570U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102873421A (en) * | 2012-09-13 | 2013-01-16 | 无锡四方集团真空炉业有限公司 | Vacuum carrier gas aluminum brazing furnace |
| CN109454306A (en) * | 2018-11-10 | 2019-03-12 | 江苏韦斯泰科技有限公司 | A kind of beat-type vacuum purification nitrogen-protective soldering furnace |
| CN111037025A (en) * | 2019-12-26 | 2020-04-21 | 盐城海荣炉业科技有限公司 | Brazing furnace transmission nitrogen protection device |
-
2012
- 2012-09-13 CN CN 201220467210 patent/CN202861570U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102873421A (en) * | 2012-09-13 | 2013-01-16 | 无锡四方集团真空炉业有限公司 | Vacuum carrier gas aluminum brazing furnace |
| CN102873421B (en) * | 2012-09-13 | 2015-04-15 | 无锡四方集团真空炉业有限公司 | Vacuum carrier gas aluminum brazing furnace |
| CN109454306A (en) * | 2018-11-10 | 2019-03-12 | 江苏韦斯泰科技有限公司 | A kind of beat-type vacuum purification nitrogen-protective soldering furnace |
| CN111037025A (en) * | 2019-12-26 | 2020-04-21 | 盐城海荣炉业科技有限公司 | Brazing furnace transmission nitrogen protection device |
| CN111037025B (en) * | 2019-12-26 | 2022-02-25 | 盐城海荣炉业科技有限公司 | Brazing furnace transmission nitrogen protection device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130410 Termination date: 20150913 |
|
| EXPY | Termination of patent right or utility model |