CN102837095B - Brazing furnace - Google Patents
Brazing furnace Download PDFInfo
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- CN102837095B CN102837095B CN201210347072.4A CN201210347072A CN102837095B CN 102837095 B CN102837095 B CN 102837095B CN 201210347072 A CN201210347072 A CN 201210347072A CN 102837095 B CN102837095 B CN 102837095B
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Abstract
The invention provides a brazing furnace which comprises a protective gas input pipe, a heating element, a hearth, a carrying device, a furnace wall and a half-muffle cover, wherein the hearth is formed by a tunnel-type longitudinal chamber formed in a surrounding manner by the furnace wall; the protective gas input pipe is used for inputting protective gas into the hearth; the heating element is used for heating a workpiece in the hearth; the half-muffle cover is fixedly arranged in the hearth to separate the hearth into a lower chamber and an upper chamber; the lower chamber is used as a workpiece brazing region; and the carrying device is arranged on the bottom wall of the lower chamber and can be used for driving a welded workpiece to move in the longitudinal direction of the hearth. By the brazing furnace, the problem of continuously brazing heavy and big complex structural components in batches is solved, the carrying device is guaranteed to effectively bear the weight of the large workpiece, the carrying device is also guaranteed to be used for a long time, and the production and maintenance costs are reduced.
Description
Technical field
The present invention relates to engineering machinery field, in particular to a kind of soldering oven.
Background technology
The complex structural member high temperature brazing of current large area, heavy industry part mainly adopts vacuum brazing, but vacuum brazing cost is high, and efficiency is low; And continous way atmosphere protection guipure soldering oven; need to adopt guipure to operate continuously on Muffle pot, because Muffle pot and guipure all adopt 310S stainless steel to make, at high temperature bearing capacity is very poor; only can meet the batch brazing of small workpiece, not be suitable for the soldering of large-area heavy industry part.And be applicable to this continous way atmosphere protection guipure soldering oven of small workpiece, because thermal deformation is large, also need to change a Muffle pot and stainless steel guipure every year, each replacement cost is more than 100,000 yuan, and maintenance cost is high.
Therefore need exploitation one can reduce production and maintenance cost in a hurry, the equipment of large-area heavy industry part continuous braze welding can be met again.
Summary of the invention
In order to solve the problems of the technologies described above, one object of the present invention is, a kind of soldering oven is provided, the Production requirement of the continuous soldering in enormous quantities of heavy and large complex structural member can be solved, ensure that bogey effectively can carry the weight of large workpiece, ensure that bogey uses for a long time, reduces production cost simultaneously.
In view of this, the invention provides a kind of soldering oven, comprise protective gas input pipe, heating element heater, burner hearth, bogey and furnace wall, the tunnel type vertical cavity that described furnace wall surrounds forms described burner hearth, described protective gas input pipe is to input protection gas in described burner hearth, described heating element heater heats the workpiece being positioned at described burner hearth, also comprise half inner cover, described half inner cover is fixedly mounted in described burner hearth, described burner hearth is separated into lower chambers and upper chamber, and described lower chambers is workpiece brazing area; Described bogey is arranged on the diapire of described lower chambers, can drive welded part vertically moving along described burner hearth.
The lower chambers adopting half inner cover structure to surround, as the brazing area of workpiece, by the support of bogey, completes the welding to workpiece; Wherein, protective gas passes in burner hearth, is heated the gas in burner hearth and workpiece by heating element heater, and ensures the temperature constant in burner hearth, meets welding requirements; Bogey drives workpiece to vertically move along burner hearth, and workpiece realizes continuous welding.Wherein: protective gas plays protection and reduction, prevents welded part to be oxidized.
In technique scheme, preferably, described burner hearth is the rectangular vertical cavity of the cross section that surrounded by base plate, left plate, right plate and top board, and described base plate, left plate, right plate and top board adopt pottery to make.
Bogey adopts pottery manufacture and drive workpiece to move in bottom chamber, the needs of the continuous production in enormous quantities of heavy and large complex structural member can be met, effectively can carry the weight of large workpiece, ensure that again bogey uses for a long time, reduce simultaneously and produce and maintenance cost.
In technique scheme, preferably, described bogey comprises chute board and push pedal, and described push pedal is longitudinally slidably installed on the upper surface of described chute board, and described chute board is fixedly mounted on described base plate, and described push pedal adopts pottery to make.
Push pedal is slided on chute board, can ensure that workpiece welding is carried out continuously, realize producing in enormous quantities.Push pedal is simultaneously arranged on chute board, and chute board is fixedly mounted on base plate, contact area large to each other, ensure that the enabling capabilities of push pedal and chute board; In addition, the push pedal bearing capacity that pottery is made is strong, can meet the continuous welding of heavy and large workpiece.
In technique scheme, preferably, the upper surface of described chute board is provided with longitudinal fluting, described push pedal is arranged in described groove, can along described groove longitudinal sliding motion.
Groove is set and ensures that push pedal is slided along groove, workpiece motion s track is limited.
In technique scheme, preferably, the internal face of described half inner cover is provided with reinforcement, the outside wall surface of described half inner cover is provided with location-plate, the base plate of described location-plate and described burner hearth, left plate and right plate are located mutually.
Reinforcement is set, enhances the intensity of half inner cover, improve the service life of half inner cover.Location-plate is set, half inner cover is installed firmly.
In technique scheme, preferably, also furnace lining is provided with at described furnace wall inner face.
Furnace lining can be incubated effectively to soldering in-furnace temperature, prevents internal heat to run off, and ensures that in-furnace temperature is stablized and welding job is carried out smoothly; Meanwhile, improve energy utilization rate, reduce costs.
In technique scheme, preferably, the hole of installing described heating element heater is had in the left and right sides of described furnace wall.
Heating element heater is installed in side, ensures the internal temperature constant of burner hearth, and welding is carried out smoothly.
In technique scheme, preferably, sealed heavy seal coat is equipped with in the left and right sides of described furnace wall and top.
Heavy seal coat is set, prevents tapping temperature from spreading, cause in-furnace temperature unstable, affect the welding quality of workpiece in stove.
In technique scheme, preferably, described furnace lining and described sealed heavy seal coat all adopt flame-proof thermal insulation material to make.
Adopt flame-proof thermal insulation material, such as asbestos board, because having the effect of insulation, in-furnace temperature can be prevented to be rapidly to extraneous diffusion, ensure workpiece welding temperature, improve the utilization rate of the energy, and cost is low.
In technique scheme, preferably, described protective gas comprises nitrogen and krypton, and described ammonia passes into described bottom chamber, and described nitrogen passes in described upper chamber.
The present invention adopt totally enclosed furnace wall, half horse not structure, refractory ceramics composition chamber structure, adopt ammonia to enter and carry out protecting, adopting push pedal as carrying tool with nitrogen; effectively provide the furnace atmosphere of dew point below-40 DEG C; ensure that metal oxide is effectively reduced in brazing process, meet the needs of the continuous braze welding of heavy and large complex structural member.
In sum, soldering oven provided by the invention can meet the continuous production in enormous quantities of heavy and large complex structural member, and meanwhile, bogey effectively can carry the weight of large workpiece, and ensures that bogey uses for a long time, reduces and produces and maintenance cost.
Accompanying drawing explanation
Fig. 1 is the sectional structure schematic diagram of soldering oven according to an embodiment of the invention.
Wherein, the corresponding relation in Fig. 1 between Reference numeral and component names is:
The sealed heavy seal coat 13 heating element heater 14 protective gas input pipe of 1 furnace lining 2 furnace wall 3 half inner cover 4 base plate 5 left plate 6 right plate 61 reinforcement 62 location-plate 7 top board 8 burner hearth 81 lower chambers 82 upper chamber 10 chute board 101 groove 11 push pedal 12.
Detailed description of the invention
In order to more clearly understand above-mentioned purpose of the present invention, feature and advantage, below in conjunction with the drawings and specific embodiments, the present invention is further described in detail.It should be noted that, when not conflicting, the feature in the embodiment of the application and embodiment can combine mutually.
Set forth a lot of detail in the following description so that fully understand the present invention; but; the present invention can also adopt other to be different from mode described here to implement, and therefore, protection scope of the present invention is not by the restriction of following public specific embodiment.
As shown in Figure 1:
One embodiment of the invention provide a kind of soldering oven, comprise protective gas input pipe 14, heating element heater 13, burner hearth 8, bogey and furnace wall 2, the tunnel type vertical cavity that furnace wall 2 surrounds forms burner hearth 8, protective gas input pipe 14 is to input protection gas in burner hearth 8, heating element heater 13 heats the workpiece being positioned at burner hearth 8, also comprises half inner cover 3, half inner cover 3 and is fixedly mounted in burner hearth 8, burner hearth is separated into lower chambers 81 and upper chamber 82, lower chambers 81 is workpiece brazing area; Bogey is arranged on the diapire of lower chambers 81, can drive welded part vertically moving along burner hearth 8.
The lower chambers adopting half inner cover structure to surround, as the brazing area of workpiece, by the support of bogey, completes the welding to workpiece; Wherein, protective gas passes in burner hearth, is heated the gas in burner hearth and workpiece by heating element heater, and ensures the temperature constant in burner hearth, meets brazing requirements; Bogey drives workpiece to vertically move along burner hearth, and workpiece realizes continuous welding.Wherein: protective gas plays protection and reduction, prevents welded part to be oxidized.
Further, burner hearth 8 is the rectangular vertical cavity of the cross section that surrounded by base plate 4, left plate 5, right plate 6 and top board 7, and base plate 4, left plate 5, right plate 6 and top board 7 adopt pottery to make.
Bogey adopts pottery manufacture and drive workpiece to move in bottom chamber, the needs of the continuous production in enormous quantities of heavy and large complex structural member can be met, effectively can carry the weight of large workpiece, ensure that again bogey uses for a long time, reduce simultaneously and produce and maintenance cost.
The left plate 5 of burner hearth, right plate 6 and base plate 4 also can be processed into one, or the top board 7 of burner hearth can be processed into one with left plate 5, right plate 6, and these changes all should belong to the protection domain of this patent.
Further again, bogey comprises chute board 10 and push pedal 11, and push pedal 11 is longitudinally slidably installed on the upper surface of chute board 10, and chute board 10 is fixedly mounted on base plate 4, and push pedal 11 adopts pottery to make.
Adopt push pedal to slide on chute board, can ensure that workpiece welding is carried out continuously, realize producing in enormous quantities.Push pedal is simultaneously arranged on chute board, and chute board is fixedly mounted on base plate, contact area large to each other, ensure that the enabling capabilities of push pedal and chute board; In addition, the push pedal bearing capacity that pottery is made is strong, can meet the continuous welding of heavy and large workpiece.
Certainly, push pedal also can be directly installed on base plate, slides along base plate.
Preferably, the upper surface of chute board 10 is provided with longitudinal fluting 101, push pedal 11 is arranged in groove 101, can along groove 101 longitudinal sliding motion.
Groove is set and ensures that push pedal is slided along groove, workpiece motion s track is limited.
Preferably, the internal face of half inner cover 3 is provided with reinforcement 61, the outside wall surface of half inner cover 3 is provided with location-plate 62, the base plate 4 of location-plate 62 and burner hearth, left plate 5 and right plate 6 phase are located.
Reinforcement is set, enhances the intensity of half inner cover, improve the service life of half inner cover.Location-plate is set, half inner cover is installed firmly.
Further, preferably, furnace lining 1 is also provided with at furnace wall 2 inner face.
Furnace lining can be incubated effectively to soldering in-furnace temperature, prevents internal heat to run off, and ensures that in-furnace temperature is stablized and welding job is carried out smoothly; Meanwhile, improve energy utilization rate, reduce costs.
In this technical scheme, preferably, the hole of installing heating element heater 13 is had in the left and right sides of furnace wall 2.
Heating element heater is installed in side, ensures the internal temperature constant of burner hearth, and welding is carried out smoothly.
Preferably, sealed heavy seal coat 12 is equipped with in the left and right sides of furnace wall 2 and top.
Heavy seal coat is set, prevents the tapping temperature of the left and right sides from accelerating diffusion, cause in-furnace temperature unstable, affect the welding quality of workpiece in stove.
Further, furnace lining 1 and sealed heavy seal coat 12 all adopt flame-proof thermal insulation material to make.
Adopt flame-proof thermal insulation material, comprise asbestos board etc., because having the effect of insulation, in-furnace temperature can be prevented to be rapidly to extraneous diffusion, ensure workpiece welding temperature, improve the utilization rate of the energy, and cost is low.
Further again, protective gas comprises ammonia and nitrogen, and ammonia passes in lower chambers 81, and nitrogen passes in upper chamber 82.
The present invention adopts, half horse not structure, refractory ceramics composition chamber structure, adopt ammonia to enter and carry out protecting, adopting push pedal as carrying tool with nitrogen; effectively provide the furnace atmosphere of dew point below-40 DEG C; ensure that metal oxide is effectively reduced in brazing process, meet the needs of the continuous braze welding of heavy and large complex structural member.
Protective gas adopts hydrogen or decomposed ammonia; the hydrogen of hydrogen or ammonolysis craft can be utilized to go out 75% is protected soldering work piece; and utilize the high reproducibility of hydrogen, ensure that metal oxide is effectively reduced in the process of soldering, meet the continuous braze welding of heavy and large complex structural member.
Above-described embodiment; adopt totally enclosed furnace wall, half inner cover, refractory ceramics composition chamber structure, adopt hydrogen or decomposed ammonia to carry out protecting and push pedal as carrying tool; effectively can ensure that the dew point of protective atmosphere in stove is below-40 DEG C; thus ensure that metal oxide is effectively reduced in brazing process, meet the continuous braze welding of heavy and large complex structural member.
In this embodiment, the most basic condition of work of soldering oven of the present invention is the purity ensureing protective atmosphere, and the dew point of protective atmosphere is below-40 DEG C, can meet the soldering of ordinary carbon steel, cast iron materials.The decomposed ammonia of this motion is filled with at burner hearth center, and is directly positioned in half inner cover, and the hydrogen in decomposed ammonia plays protection and reduction.The water produced after remaining nitrogen and reduction reaction, than great, be wrapped in the periphery of half inner cover, then discharge at the two ends of burner hearth after sinking, remaining hydrogen adopts automatic ignition device to light and forms the sealing of fiery curtain.Because of the light specific gravity of hydrogen, therefore form malleation in half inner cover, and sealed by fiery curtain, outside air should not invade in stove, ensure that the high-purity of furnace atmosphere, meets the condition of soldering, realizes large-area heavy industry part continuous batch in stove and produces.
In sum, soldering oven provided by the invention can meet the continuous production in enormous quantities of heavy and large complex structural member, and meanwhile, bogey effectively can carry the weight of large workpiece, and ensures that bogey uses for a long time, reduces and produces and maintenance cost.
In the present invention, term D score, " on " object only for describing, and instruction or hint relative importance can not be interpreted as; Unless otherwise clearly defined and limited, term " is connected ", " connection ", the term such as " fixing " all should be interpreted broadly, and such as, can be fixedly connected with, also can be removably connect, or connect integratedly; Can be directly be connected, also indirectly can be connected by intermediary.For the ordinary skill in the art, above-mentioned term concrete meaning in the present invention can be understood as the case may be.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. a soldering oven; comprise protective gas input pipe (14), heating element heater (13), burner hearth (8), bogey and furnace wall (2); the tunnel type vertical cavity that described furnace wall (2) surrounds forms described burner hearth (8); described protective gas input pipe (14) is to the interior input protection gas of described burner hearth (8); described heating element heater (13) heats the workpiece being positioned at described burner hearth (8); it is characterized in that
Also comprise half inner cover (3), described half inner cover (3) is fixedly mounted in described burner hearth (8), described burner hearth is separated into lower chambers (81) and upper chamber (82), and described lower chambers (81) is workpiece brazing area;
Described bogey is arranged on the diapire of described lower chambers (81), can drive welded part vertically moving along described burner hearth (8).
2. soldering oven according to claim 1, is characterized in that,
Described burner hearth (8) is the rectangular vertical cavity of the cross section that surrounded by base plate (4), left plate (5), right plate (6) and top board (7), and described base plate (4), left plate (5), right plate (6) and top board (7) adopt pottery to make.
3. soldering oven according to claim 2, is characterized in that,
Described bogey comprises chute board (10) and push pedal (11), described push pedal (11) is longitudinally slidably installed on the upper surface of described chute board (10), described chute board (10) is fixedly mounted on described base plate (4), and described push pedal (11) adopts pottery to make.
4. soldering oven according to claim 3, is characterized in that,
The upper surface of described chute board (10) is provided with longitudinal fluting (101), described push pedal (11) is arranged in described groove (101), and can along described groove (101) longitudinal sliding motion.
5. soldering oven according to claim 1, is characterized in that,
The internal face of described half inner cover (3) is provided with reinforcement (61), the outside wall surface of described half inner cover (3) is provided with location-plate (62), and the base plate (4) of described location-plate (62) and described burner hearth (8), left plate (5) and right plate (6) are located mutually.
6. soldering oven according to any one of claim 1 to 5, is characterized in that,
Furnace lining (1) is also provided with at described furnace wall (2) inner face.
7. soldering oven according to claim 6, is characterized in that,
The hole of installing described heating element heater (13) is had in the left and right sides of described furnace wall (2).
8. soldering oven according to claim 7, is characterized in that,
Sealed heavy seal coat (12) is equipped with in the left and right sides of described furnace wall (2) and top.
9. soldering oven according to claim 8, is characterized in that,
Described furnace lining (1) and described sealed heavy seal coat (12) all adopt flame-proof thermal insulation material to make.
10. want the soldering oven described in 6 according to claim, it is characterized in that,
Described protective gas comprises ammonia and nitrogen, and described ammonia passes in described lower chambers (81), and described nitrogen passes in described upper chamber (82).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210347072.4A CN102837095B (en) | 2012-09-18 | 2012-09-18 | Brazing furnace |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210347072.4A CN102837095B (en) | 2012-09-18 | 2012-09-18 | Brazing furnace |
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| CN102837095A CN102837095A (en) | 2012-12-26 |
| CN102837095B true CN102837095B (en) | 2015-05-20 |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103317202B (en) * | 2013-06-07 | 2016-08-31 | 三一汽车制造有限公司 | A kind of brazing equipment |
| CN111604557A (en) * | 2020-06-22 | 2020-09-01 | 天津华耐机械设备制造有限公司 | Novel section of brazing of energy-efficient brazing furnace |
| CN111761156A (en) * | 2020-07-22 | 2020-10-13 | 厦门福鑫特工贸有限公司 | Brazing method for large computer radiator |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2254769C3 (en) * | 1972-11-09 | 1985-06-05 | Vereinigte Aluminium-Werke AG, 1000 Berlin und 5300 Bonn | Continuous furnace for flux-free soldering of aluminum materials under protective gas |
| JP4041923B2 (en) * | 1996-06-24 | 2008-02-06 | 関東冶金工業株式会社 | Aluminum flux brazing method |
| WO2005025797A1 (en) * | 2003-09-15 | 2005-03-24 | Accutech Co., Ltd. | Hydrogen gas brazing method for manufacturing a diamond tool and arch-shaped hydrogen gas brazing apparatus for performing the same |
| JP4569860B2 (en) * | 2004-03-11 | 2010-10-27 | 関東冶金工業株式会社 | Heat brazing method for products containing stainless steel parts |
| CN101284325A (en) * | 2008-05-14 | 2008-10-15 | 赵永庆 | Network bringing type brazing furnace |
| CN201253724Y (en) * | 2008-09-18 | 2009-06-10 | 章体 | Novel brazing furnace |
| CN201940719U (en) * | 2010-12-22 | 2011-08-24 | 洛阳市西格马仪器制造有限公司 | Energy-saving type high temperature-resisting atmosphere protection furnace tank of braze welding furnace |
| CN202199884U (en) * | 2011-08-18 | 2012-04-25 | 向海星 | Horizontal unmuffled pusher-type continuous brazing furnace |
| CN202824914U (en) * | 2012-09-18 | 2013-03-27 | 三一重工股份有限公司 | Brazing furnace |
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- 2012-09-18 CN CN201210347072.4A patent/CN102837095B/en active Active
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Effective date of registration: 20151120 Address after: 316 413000, comprehensive service building, East New District, hi tech Zone, Hunan, Yiyang Patentee after: HUNAN SANYI ZHONGYANG MACHINERY CO., LTD. Address before: 410100 Changsha economic and Technological Development Zone, Hunan City, the 31 industrial city Patentee before: Sanyi Heavy Industry Co., Ltd. |