CN202824914U - Brazing furnace - Google Patents

Brazing furnace Download PDF

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Publication number
CN202824914U
CN202824914U CN 201220476984 CN201220476984U CN202824914U CN 202824914 U CN202824914 U CN 202824914U CN 201220476984 CN201220476984 CN 201220476984 CN 201220476984 U CN201220476984 U CN 201220476984U CN 202824914 U CN202824914 U CN 202824914U
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CN
China
Prior art keywords
furnace
burner hearth
workpiece
soldering oven
plate
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Withdrawn - After Issue
Application number
CN 201220476984
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Chinese (zh)
Inventor
卢尚文
周水波
欧耀辉
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Sany Heavy Industry Co Ltd
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Sany Heavy Industry Co Ltd
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Priority to CN 201220476984 priority Critical patent/CN202824914U/en
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Publication of CN202824914U publication Critical patent/CN202824914U/en
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Abstract

The utility model provides a brazing furnace. The brazing furnace comprises a protective gas input pipe, a heating element, a furnace cavity, a bearing device, and furnace walls, wherein tunnel type lengthwise chambers surrounded by the furnace walls forms into the furnace cavity, the protective gas input pipe enables protective has to be pumped into the furnace cavity, and the heating element conducts heating to workpieces inside the furnace cavity. The brazing furnace further comprises a semi-muffle cover, wherein the semi-muffle cover is fixedly installed inside the furnace cavity so as to divide the furnace cavity into an upper chamber and a lower chamber, and the lower chamber is a workpiece brazing zone. Besides, the bearing device is installed on the bottom wall of the lower chamber and can bring the welded workpiece to lengthwise move along the furnace cavity. The brazing furnace resolves the problem that heavy, big, and complex structural components need to be brazed multitudinously, guarantees that the bearing device can effectively bear the weight of the big workpiece, and at the same time, guarantees that the bearing device can be used in a long term, and lowers production and maintenance cost.

Description

A kind of soldering oven
Technical field
The utility model relates to engineering machinery field, in particular to a kind of soldering oven.
Background technology
Vacuum brazing is mainly adopted in the at present complex structural member high temperature brazing of large tracts of land, heavy industry spare, but the vacuum brazing cost is high, and efficient is low; And continous way atmosphere protection guipure soldering oven; need to adopt guipure continuous operation on Muffle pot, because Muffle pot and guipure all adopt the 310S stainless steel to make, at high temperature bearing capacity is very poor; only can satisfy the batch brazing of small workpiece, not be suitable for large-area heavy industry spare soldering.And be applicable to this continous way atmosphere protection guipure soldering oven of small workpiece, and because thermal deformation is large, also needing annual Muffle pot and the stainless steel guipure changed, each replacement cost is more than 100,000 yuan, and maintenance cost is high.
Therefore need in a hurry a kind of can the reduction of exploitation to produce and maintenance cost, can satisfy again the equipment of large-area heavy industry spare continuous braze welding.
The utility model content
In order to solve the problems of the technologies described above, a purpose of the present utility model is, a kind of soldering oven is provided, can solve the Production requirement of heavy and large complex structural member soldering continuously in enormous quantities, guarantee the weight that bogey can effectively carry large workpiece, guarantee that simultaneously bogey uses for a long time, reduce production costs.
In view of this, the utility model 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 consists of described burner hearth, described protective gas input pipe input protection gas in the described burner hearth, described heating element heater heats the workpiece that is positioned at described burner hearth, also comprise half inner cover, described half inner cover is fixedly mounted in the described burner hearth, described burner hearth is separated into lower chambers and upper chamber, and described lower chambers is the workpiece brazing area; Described bogey is installed on the diapire of described lower chambers, can drive welded part vertically moving along described burner hearth.
Adopt lower chambers that half inner cover structure surrounds as the brazing area of workpiece, by the support of bogey, finish the welding to workpiece; Wherein, protective gas passes in the burner hearth, by heating element heater the gas in the burner hearth and workpiece is heated, and guarantees the temperature constant that burner hearth is interior, satisfies welding requirements; Bogey drives workpiece and vertically moves along burner hearth, and workpiece is realized continuous welding.Wherein: protective gas plays protection and reduction, prevents the welded part oxidation.
In technique scheme, preferably, the cross section rectangular vertical cavity of described burner hearth for being surrounded by base plate, left plate, right plate and top board, described base plate, left plate, right plate and top board adopt pottery to make.
Bogey adopts pottery to make and drive workpiece and moves in bottom chamber, can satisfy the needs of the continuous production in enormous quantities of heavy and large complex structural member, can effectively carry the weight of large workpiece, guarantee 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 longitudinally slidably is installed on the upper surface of described chute board, and described chute board is fixedly mounted on the described base plate, and described push pedal adopts pottery to make.
Push pedal is slided at chute board, can guarantee that workpiece welding carries out continuously, realizes producing in enormous quantities.Simultaneously push pedal is installed on the chute board, and chute board is fixedly mounted on the base plate, and large contact area has to each other guaranteed the enabling capabilities of push pedal and chute board; In addition, the push pedal bearing capacity that pottery is made is strong, can satisfy the continuous welding of heavy and large workpiece.
In technique scheme, preferably, be provided with longitudinal fluting on the upper surface of described chute board, described push pedal is installed in the described groove, can be along described groove longitudinal sliding motion.
Groove assurance push pedal is set slides along groove, the workpiece motion s track is limited.
In technique scheme, preferably, be provided with reinforcement on the internal face of described half inner cover, be provided with location-plate on the outside wall surface of described half inner cover, described location-plate is located mutually with base plate, left plate and the right plate of described burner hearth.
Reinforcement is set, has strengthened the intensity of half inner cover, improved the service life of half inner cover.Location-plate is set, half inner cover is installed firmly.
In technique scheme, preferably, inner face also is provided with furnace lining in described furnace wall.
Furnace lining can be incubated effectively to temperature in the soldering oven, prevents that internal heat runs off, and temperature stabilization and welding job are carried out smoothly in the assurance stove; Simultaneously, improve energy utilization rate, reduce cost.
In technique scheme, preferably, have the hole that described heating element heater is installed in the left and right sides of described furnace wall.
Heating element heater is installed in the side, guarantees that the internal temperature of burner hearth is constant, and welding is carried out smoothly.
In technique scheme, preferably, be equipped with sealed heavy seal coat at the left and right sides and the top of described furnace wall.
Heavy seal coat is set, prevents the diffusion of tapping temperature, cause the interior temperature of stove unstable, affect the welding quality of workpiece in the 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, for example asbestos board because having the effect of insulation, can prevent that temperature guarantees the workpiece welding temperature rapidly to external world's diffusion in the stove, 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 the described upper chamber.
The utility model adopts totally enclosed furnace wall, half horse, and not chamber structure, the employing ammonia of structure, refractory ceramics composition advance with nitrogen to protect, adopt push pedal as carrying tool; effectively provide dew point in the furnace atmosphere below-40 ℃; guaranteed that metal oxide is effectively reduced in brazing process, satisfied the needs of the continuous braze welding of heavy and large complex structural member.
In sum, the soldering oven that the utility model provides can satisfy the continuous production in enormous quantities of heavy and large complex structural member, and simultaneously, bogey can effectively carry the weight of large workpiece, and guarantees that bogey uses for a long time, reduces and produces and maintenance cost.
Description of drawings
Fig. 1 is the sectional structure schematic diagram according to the soldering oven of an embodiment of the utility model.
Wherein, the corresponding relation between Reference numeral and the component names is among Fig. 1:
1 furnace lining, 2 furnace walls, 3 half inner covers, 4 base plates, 5 left plates, 6 right plates, 61 reinforcements, 62 location-plates, 7 top boards, 8 burner hearths, 81 lower chambers, 82 upper chamber, 10 chute boards, 101 grooves, 11 push pedals, 12 sealed heavy seal coat 13 heating element heaters 14 protective gas input pipes.
The specific embodiment
In order more clearly to understand above-mentioned purpose of the present utility model, feature and advantage, below in conjunction with the drawings and specific embodiments the utility model is further described in detail.Need to prove, in the situation that do not conflict, the application's embodiment and the feature among the embodiment can make up mutually.
A lot of details have been set forth in the following description so that fully understand the utility model; but; the utility model can also adopt other to be different from mode described here and implement, and therefore, protection domain of the present utility model is not subjected to the restriction of following public specific embodiment.
As shown in Figure 1:
An embodiment of the present utility model provides 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 consists of burner hearth 8, protective gas input pipe 14 is to burner hearth 8 interior input protection gases, 13 pairs of workpiece that are positioned at burner hearth 8 of heating element heater heat, also comprise half inner cover 3, half inner cover 3 is fixedly mounted in the burner hearth 8, burner hearth is separated into lower chambers 81 and upper chamber 82, and lower chambers 81 is the workpiece brazing area; Bogey is installed on the diapire of lower chambers 81, can drive welded part vertically moving along burner hearth 8.
Adopt lower chambers that half inner cover structure surrounds as the brazing area of workpiece, by the support of bogey, finish the welding to workpiece; Wherein, protective gas passes in the burner hearth, by heating element heater the gas in the burner hearth and workpiece is heated, and guarantees the temperature constant that burner hearth is interior, satisfies the soldering requirement; Bogey drives workpiece and vertically moves along burner hearth, and workpiece is realized continuous welding.Wherein: protective gas plays protection and reduction, prevents the welded part oxidation.
Further, the cross section rectangular vertical cavity of burner hearth 8 for being surrounded by base plate 4, left plate 5, right plate 6 and top board 7, base plate 4, left plate 5, right plate 6 and top board 7 adopt pottery to make.
Bogey adopts pottery to make and drive workpiece and moves in bottom chamber, can satisfy the needs of the continuous production in enormous quantities of heavy and large complex structural member, can effectively carry the weight of large workpiece, guarantee 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, and perhaps the top board 7 of burner hearth can be processed into one with left plate 5, right plate 6, and these change the protection domain that all should belong to this patent.
Further again, bogey comprises chute board 10 and push pedal 11, and push pedal 11 longitudinally slidably is installed on the upper surface of chute board 10, and chute board 10 is fixedly mounted on the base plate 4, and push pedal 11 adopts pottery to make.
Adopt push pedal to slide at chute board, can guarantee that the workpiece welding carries out continuously, realize producing in enormous quantities.Simultaneously push pedal is installed on the chute board, and chute board is fixedly mounted on the base plate, and large contact area has to each other guaranteed the enabling capabilities of push pedal and chute board; In addition, the push pedal bearing capacity that pottery is made is strong, can satisfy the continuous welding of heavy and large workpiece.
Certainly, push pedal also can be directly installed on the base plate, slides along base plate.
Preferably, be provided with longitudinal fluting 101 on the upper surface of chute board 10, push pedal 11 is installed in the groove 101, can be along groove 101 longitudinal sliding motions.
Groove assurance push pedal is set slides along groove, the workpiece motion s track is limited.
Preferably, be provided with on the internal face of half inner cover 3 on the outside wall surface of reinforcement 61, half inner covers 3 and be provided with location-plate 62, location-plate 62 is located mutually with base plate 4, left plate 5 and the right plate 6 of burner hearth.
Reinforcement is set, has strengthened the intensity of half inner cover, improved the service life of half inner cover.Location-plate is set, half inner cover is installed firmly.
Further, preferably, 2 inner faces also are provided with furnace lining 1 in the furnace wall.
Furnace lining can be incubated effectively to temperature in the soldering oven, prevents that internal heat runs off, and temperature stabilization and welding job are carried out smoothly in the assurance stove; Simultaneously, improve energy utilization rate, reduce cost.
In this technical scheme, preferably, 2 the left and right sides has the hole that heating element heater 13 is installed in the furnace wall.
Heating element heater is installed in the side, guarantees that the internal temperature of burner hearth is constant, and welding is carried out smoothly.
Preferably, 2 the left and right sides and top are equipped with sealed heavy seal coat 12 in the furnace wall.
Heavy seal coat is set, prevents that the tapping temperature of the left and right sides from accelerating diffusion, cause the interior temperature of stove unstable, affect the welding quality of workpiece in the 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, can prevent that temperature guarantees the workpiece welding temperature rapidly to external world's diffusion in the stove, improve the utilization rate of the energy, and cost is low.
Further again, protective gas comprises ammonia and nitrogen, and ammonia passes in the lower chambers 81, and nitrogen passes in the upper chamber 82.
The utility model adopts, not chamber structure, the employing ammonia of structure, refractory ceramics composition advance with nitrogen to protect, adopt push pedal as carrying tool half horse; effectively provide dew point in the furnace atmosphere below-40 ℃; guaranteed that metal oxide is effectively reduced in brazing process, satisfied the needs of the continuous braze welding of heavy and large complex structural member.
Protective gas adopts hydrogen or decomposed ammonia; 75% the hydrogen that can utilize that hydrogen or ammonia decomposites is protected soldering work piece; and utilize the high reproducibility of hydrogen, and guarantee that metal oxide is effectively reduced in the process of soldering, satisfy the continuous braze welding of heavy and large complex structural member.
Above-described embodiment; adopt chamber structure that totally enclosed furnace wall, half inner cover, refractory ceramics form, adopt hydrogen or decomposed ammonia is protected and push pedal as carrying tool; can guarantee effectively that the dew point of protective atmosphere in the stove is below-40 ℃; thereby guaranteed that metal oxide is effectively reduced in brazing process, satisfied 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 utility model is the purity that guarantees protective atmosphere, and the dew point of protective atmosphere can satisfy the soldering of ordinary carbon steel, cast iron materials below-40 ℃.The decomposed ammonia of this motion is filled with at the burner hearth center, and directly is positioned in half inner cover, and the hydrogen in the decomposed ammonia plays protection and reduction.The water that produces after remaining nitrogen and the reduction reaction is wrapped in the periphery of half inner cover than great after the sinking, then discharge at the two ends of burner hearth, and remaining hydrogen adopts automatic ignition device to light and forms fiery curtain sealing.Because of the light specific gravity of hydrogen, thus in half inner cover, form malleation, and seal by fiery curtain, outside air should not be invaded in the stove, has guaranteed the high-purity of furnace atmosphere, satisfies the condition of soldering, realizes the continuous batch production in stove of large-area heavy industry spare.
In sum, the soldering oven that the utility model provides can satisfy the continuous production in enormous quantities of heavy and large complex structural member, and simultaneously, bogey can effectively carry the weight of large workpiece, and guarantees that bogey uses for a long time, reduces and produces and maintenance cost.
In the utility model, the term D score, " on " only be used for the purpose of description, and can not be interpreted as indication or hint relative importance; Unless clear and definite regulation and restriction are arranged in addition, broad understanding all should be done in the terms such as term " links to each other ", " connection ", " fixing ", for example, can be to be fixedly connected with, and also can be to removably connect, or connect integratedly; Can be directly to link to each other, also can indirectly link to each other by intermediary.For the ordinary skill in the art, can understand as the case may be the concrete meaning of above-mentioned term in the utility model.
The above is preferred embodiment of the present utility model only, is not limited to the utility model, and for a person skilled in the art, the utility model can have various modifications and variations.All within spirit of the present utility model and principle, any modification of doing, be equal to replacement, improvement etc., all should be included within the protection domain of the present utility model.

Claims (10)

1. 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 consists of 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 that is 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 the described burner hearth (8), and described burner hearth is separated into lower chambers (81) and upper chamber (82), and described lower chambers (81) is the workpiece brazing area;
Described bogey is installed 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,
The cross section rectangular vertical cavity of described burner hearth (8) for being surrounded by base plate (4), left plate (5), right plate (6) and top board (7), 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) longitudinally slidably is installed on the upper surface of described chute board (10), described chute board (10) is fixedly mounted on the described base plate (4), and described push pedal (11) adopts pottery to make.
4. soldering oven according to claim 3 is characterized in that,
Be provided with longitudinal fluting (101) on the upper surface of described chute board (10), described push pedal (11) is installed in the described groove (101), and can be along described groove (101) longitudinal sliding motion.
5. soldering oven according to claim 1 is characterized in that,
Be provided with reinforcement (61) on the internal face of described half inner cover (3), be provided with location-plate (62) on the outside wall surface of described half inner cover (3), described location-plate (62) is located mutually with base plate (4), left plate (5) and the right plate (6) of described burner hearth (8).
6. each described soldering oven in 5 according to claim 1 is characterized in that,
Inner face also is provided with furnace lining (1) in described furnace wall (2).
7. soldering oven according to claim 6 is characterized in that,
Have the hole that described heating element heater (13) is installed in the left and right sides of described furnace wall (2).
8. soldering oven according to claim 7 is characterized in that,
The left and right sides and top in described furnace wall (2) are equipped with sealed heavy seal coat (12).
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 6 described soldering ovens according to claim, it is characterized in that,
Described protective gas comprises ammonia and nitrogen, and described ammonia passes in the described lower chambers (81), and described nitrogen passes in the described upper chamber (82).
CN 201220476984 2012-09-18 2012-09-18 Brazing furnace Withdrawn - After Issue CN202824914U (en)

Priority Applications (1)

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CN 201220476984 CN202824914U (en) 2012-09-18 2012-09-18 Brazing furnace

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Application Number Priority Date Filing Date Title
CN 201220476984 CN202824914U (en) 2012-09-18 2012-09-18 Brazing furnace

Publications (1)

Publication Number Publication Date
CN202824914U true CN202824914U (en) 2013-03-27

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102837095A (en) * 2012-09-18 2012-12-26 三一重工股份有限公司 Brazing furnace
CN104162725A (en) * 2014-08-06 2014-11-26 河南科技大学 Semi-automatic brazing furnace combination device for science and education
CN107081497A (en) * 2017-06-15 2017-08-22 江苏晟兴和金属板业有限公司 Production line without glue aluminum cellular board
CN107214392A (en) * 2017-08-08 2017-09-29 郑州联冠科技有限公司 Novel brazing furnace
CN109175568A (en) * 2018-11-01 2019-01-11 中国电子科技集团公司第三十八研究所 A kind of method for welding of large-size antennae and micro-strip plate large area ground connection

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102837095A (en) * 2012-09-18 2012-12-26 三一重工股份有限公司 Brazing furnace
CN104162725A (en) * 2014-08-06 2014-11-26 河南科技大学 Semi-automatic brazing furnace combination device for science and education
CN104162725B (en) * 2014-08-06 2016-08-24 河南科技大学 A kind of science and education is with semi-automatic soldering oven combination unit
CN107081497A (en) * 2017-06-15 2017-08-22 江苏晟兴和金属板业有限公司 Production line without glue aluminum cellular board
CN107214392A (en) * 2017-08-08 2017-09-29 郑州联冠科技有限公司 Novel brazing furnace
CN109175568A (en) * 2018-11-01 2019-01-11 中国电子科技集团公司第三十八研究所 A kind of method for welding of large-size antennae and micro-strip plate large area ground connection

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AV01 Patent right actively abandoned

Granted publication date: 20130327

Effective date of abandoning: 20150520

RGAV Abandon patent right to avoid regrant