CN105562878A - Continuous vacuum nitrogen protection brazing furnace - Google Patents
Continuous vacuum nitrogen protection brazing furnace Download PDFInfo
- Publication number
- CN105562878A CN105562878A CN201610092621.6A CN201610092621A CN105562878A CN 105562878 A CN105562878 A CN 105562878A CN 201610092621 A CN201610092621 A CN 201610092621A CN 105562878 A CN105562878 A CN 105562878A
- Authority
- CN
- China
- Prior art keywords
- vacuum
- nitrogen
- district
- furnace
- preheating furnace
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K3/00—Tools, devices, or special appurtenances for soldering, e.g. brazing, or unsoldering, not specially adapted for particular methods
- B23K3/08—Auxiliary devices therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K1/00—Soldering, e.g. brazing, or unsoldering
- B23K1/008—Soldering within a furnace
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K3/00—Tools, devices, or special appurtenances for soldering, e.g. brazing, or unsoldering, not specially adapted for particular methods
- B23K3/08—Auxiliary devices therefor
- B23K3/085—Cooling, heat sink or heat shielding means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K2101/00—Articles made by soldering, welding or cutting
- B23K2101/04—Tubular or hollow articles
- B23K2101/14—Heat exchangers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K2103/00—Materials to be soldered, welded or cut
- B23K2103/08—Non-ferrous metals or alloys
- B23K2103/10—Aluminium or alloys thereof
Abstract
The invention discloses a continuous vacuum nitrogen protection brazing furnace with low energy consumption and a good brazing effect. The continuous vacuum nitrogen protection brazing furnace comprises a rack and a chain type circulating conveying device arranged on the rack, wherein a workpiece loading area, a drying furnace, a preheating furnace, a brazing furnace, a forced air-cooling area and a workpiece unloading area are sequentially arranged on the rack from front to back; a preheating furnace nitrogen pipe is arranged on the preheating furnace; a brazing furnace nitrogen pipe is arranged on the brazing furnace; a vacuum purifying area is arranged on the rack between the drying furnace and the preheating furnace; a vacuum purifying area nitrogen pipe and a vacuum purifying area vacuumizing pipe are separately arranged in the vacuum purifying area; a vacuum purifying and cooling area is arranged on the rack between the brazing furnace and the forced air-cooling area; a vacuum purifying and cooling area nitrogen pipe and a vacuum purifying and cooling area vacuumizing pipe are separately arranged in the vacuum purifying and cooling area; and the preheating furnace nitrogen pipe, the brazing furnace nitrogen pipe, the vacuum purifying area nitrogen pipe and the vacuum purifying and cooling area nitrogen pipe are separately connected with a nitrogen supplying device.
Description
Technical field
The present invention relates to a kind of soldering oven, particularly relate to a kind of continous vacuum nitrogen-protective soldering furnace.
Background technology
Soldering oven is a kind of equipment being carried out by each for aluminum heat exchanger parts effectively connecting.Utilize the alloy melting point of solder to carry out welding lower than this characteristic of fusing point of metal material.Solder be usually placed in need connecting portion solder side near or the inside, between parts and solder side and surface scribble aluminum brazing flux, parts are heated to brazing alloy melting and the nonfused temperature of parts metals under certain inert gas shielding.The oxide-film of metal material broken by soldering flux, allows between its motlten metal and infusible metal and carries out diffusion into the surface, after cooling, braze metal will and component contact face between form corrupt split.
The structure of existing soldering oven mainly comprises: frame and the chain circulation conveying device be arranged in frame, described frame is disposed with Shang Jian district, drying oven, preheating furnace, soldering oven, air blast cooling district and lower part district from front to back, described preheating furnace is provided with preheating furnace nitrogen tube, described soldering oven is provided with soldering oven nitrogen tube.During existing soldering oven work, need the workpiece part in Shang Jian district carrying out soldering, carried by chain circulation conveying device, enter drying oven and carry out drying, then enter preheating furnace and carry out preheating, then enter soldering oven and carry out soldering, enter the cooling of air blast cooling district after soldering completes, then enter lower part district lower part.Because temperature is higher in preheating furnace and soldering oven, workpiece is easily oxidized, in warm, be filled with nitrogen by preheating furnace nitrogen tube in preheating furnace, makes to be full of nitrogen in preheating furnace, prevents workpiece high-temperature oxydation in preheating furnace; In brazing process, in soldering oven, be filled with nitrogen by soldering oven nitrogen tube, make to be full of nitrogen in soldering oven, prevent workpiece high-temperature oxydation in soldering oven.If expect the nitrogen gas concn reaching preheating furnace and soldering oven Nei Genggao, just need constantly to be filled with a large amount of nitrogen in preheating and brazing process, nitrogen consumption is comparatively large, and energy consumption is high, and use cost is large.But existing soldering oven enters nitrogen gas concn in the process in preheating furnace and does not still reach at drying oven, the higher workpiece of temperature or easily oxidation, affect soldering effect, after workpiece soldering completes, enter nitrogen gas concn the process in air blast cooling district from soldering oven still not reach simultaneously, the higher workpiece of temperature or easily oxidation, affect soldering effect.
Summary of the invention
Technical problem to be solved by this invention is: provide the continous vacuum nitrogen-protective soldering furnace that the low soldering of a kind of energy consumption is effective.
In order to solve the problems of the technologies described above, the technical solution used in the present invention is: continous vacuum nitrogen-protective soldering furnace, comprise: frame and the chain circulation conveying device be arranged in frame, described frame is disposed with Shang Jian district from front to back, drying oven, preheating furnace, soldering oven, air blast cooling district and lower part district, described preheating furnace is provided with preheating furnace nitrogen tube, described soldering oven is provided with soldering oven nitrogen tube, frame between described drying oven and preheating furnace is provided with vacuum purification district, described vacuum purification district is respectively arranged with vacuum purification district nitrogen tube and vacuum purification district vacuum-pumping tube, frame between described soldering oven and air blast cooling district is provided with vacuum purification cooling zone, described vacuum purification cooling zone is respectively arranged with vacuum purification cooling zone nitrogen tube and vacuum purification cooling zone vacuum-pumping tube, described preheating furnace nitrogen tube, soldering oven nitrogen tube, vacuum purification district nitrogen tube are connected with nitrogen feeder respectively with vacuum purification cooling zone nitrogen tube, and described vacuum purification district vacuum-pumping tube is connected with vacuum extractor respectively with empty purification cooling zone vacuum-pumping tube.
Advantage of the present invention is: above-mentioned aluminum brazing furnace, vacuum purification district is provided with between drying oven and preheating furnace, vacuum purification district is the transition region between drying oven and preheating furnace, by closing vacuum purification district, vacuumizing, inflated with nitrogen, make the pressure in transition region close with the pressure in preheating furnace, when ensureing from vacuum purification district to preheating furnace conveying products, the atmosphere of whole inner chamber keeps purity nitrogen level; Vacuum purification cooling zone is provided with between soldering oven and air blast cooling district, vacuum purification cooling zone is the transition region between soldering oven and air blast cooling district, by closing vacuum purification cooling zone, vacuumizing, inflated with nitrogen, make the pressure in transition region close with the pressure in soldering oven, when ensureing from soldering oven to vacuum purification cooling zone conveying products, the atmosphere of whole inner chamber keeps purity nitrogen level; Ensure that in preheating and brazing process, workpiece can not be oxidized, and ensures soldering effect and brazing quality, save nitrogen consumption, use cost reduces, and uses safer.
Accompanying drawing explanation
Fig. 1 is the structural representation of continous vacuum nitrogen-protective soldering furnace of the present invention.
Fig. 2 is the plan structure schematic diagram of Fig. 1.
In figure: 1, frame, 2, chain circulation conveying device, 3, Shang Jian district, 4, drying oven, 5, preheating furnace, 6, soldering oven, 7, air blast cooling district, 8, lower part district, 9, preheating furnace nitrogen tube, 10, soldering oven nitrogen tube, 11, vacuum purification district, 12, vacuum purification district nitrogen tube, 13, vacuum purification district vacuum-pumping tube, 14, vacuum purification cooling zone, 15, vacuum purification cooling zone nitrogen tube, 16, vacuum purification cooling zone vacuum-pumping tube, 17, workpiece, 18, fire door.
Detailed description of the invention
Particular content of the present invention is described in detail below in conjunction with the drawings and specific embodiments.
As Fig. 1, shown in Fig. 2, continous vacuum nitrogen-protective soldering furnace, comprise: frame 1 and the chain circulation conveying device 2 be arranged in frame 1, described frame 1 is disposed with Shang Jian district 3 from front to back, drying oven 4, preheating furnace 5, soldering oven 6, air blast cooling district 7 and lower part district 8, described preheating furnace 5 is provided with preheating furnace nitrogen tube 9, described soldering oven 6 is provided with soldering oven nitrogen tube 10, frame 1 between described drying oven 4 and preheating furnace 6 is provided with vacuum purification district 11, described vacuum purification district 11 is respectively arranged with vacuum purification district nitrogen tube 12 and vacuum purification district vacuum-pumping tube 13, frame 1 between described soldering oven 6 and air blast cooling district 7 is provided with vacuum purification cooling zone 14, described vacuum purification cooling zone 14 is respectively arranged with vacuum purification cooling zone nitrogen tube 15 and vacuum purification cooling zone vacuum-pumping tube 16, described preheating furnace nitrogen tube 9, soldering oven nitrogen tube 10, vacuum purification district nitrogen tube 12 are connected with nitrogen feeder respectively with vacuum purification cooling zone nitrogen tube 15, and described vacuum purification district vacuum-pumping tube 13 is connected with vacuum extractor respectively with empty purification cooling zone vacuum-pumping tube 16.
During above-mentioned continous vacuum nitrogen-protective soldering furnace work; need workpiece 17 part in Shang Jian district 3 carrying out soldering; carried by chain circulation conveying device 2; enter drying oven 4 and carry out drying; then enter preheating furnace 5 and carry out preheating; then enter soldering oven 6 and carry out soldering, enter air blast cooling district 7 after soldering completes and cool, then enter lower part district 8 lower part.
Entering in the process of preheating furnace 5 from drying oven 4 at workpiece 17, and entering in the process in air blast cooling district 7 at workpiece 17 by soldering oven 6, because temperature is higher, workpiece 17 is easily oxidized.
Above-mentioned continous vacuum nitrogen-protective soldering furnace, vacuum purification district 11 is provided with between drying oven 4 and preheating furnace 5, vacuum purification district 11 is the transition region between drying oven 4 and preheating furnace 5, closed by fire door 18 pairs of vacuum purification districts 11 of both sides, vacuum purification district 11, vacuumized by vacuum purification district vacuum-pumping tube 13, by vacuum purification district nitrogen tube 12 inflated with nitrogen, make the pressure in transition region close with the pressure in preheating furnace 5, when ensureing from vacuum purification district 11 to preheating furnace 5 conveying products, the atmosphere of whole inner chamber keeps purity nitrogen level, prevent workpiece 17 high-temperature oxydation, thus minimizing utilizes preheating furnace nitrogen tube 9 to the inflated with nitrogen amount in preheating furnace 5, vacuum purification cooling zone 14 is provided with between soldering oven 6 and air blast cooling district 7, vacuum purification cooling zone 14 is the transition region between soldering oven 6 and air blast cooling district 7, by closing vacuum purification cooling zone 14, vacuumized by vacuum purification cooling zone vacuum-pumping tube 16, by vacuum purification cooling zone nitrogen tube 15 inflated with nitrogen, make the pressure in transition region close with the pressure in soldering oven 6, when ensureing from soldering oven 6 to vacuum purification cooling zone 14 conveying products, the atmosphere of whole inner chamber keeps purity nitrogen level, prevent workpiece 17 high-temperature oxydation, thus minimizing utilizes soldering oven nitrogen tube 10 to the inflated with nitrogen amount in soldering oven 6.
Above-described embodiment is used for illustrative purposes only; and be not limitation of the present invention; those skilled in the art are not when departing from scope; various change and modification can also be made, allly also should belong to protection category of the present invention with the same or analogous technical scheme of the present invention.
Claims (1)
1. continous vacuum nitrogen-protective soldering furnace, comprise: frame (1) and the chain circulation conveying device (2) be arranged in frame (1), described frame (1) is disposed with Shang Jian district (3) from front to back, drying oven (4), preheating furnace (5), soldering oven (6), air blast cooling district (7) and lower part district (8), described preheating furnace (5) is provided with preheating furnace nitrogen tube (9), described soldering oven (6) is provided with soldering oven nitrogen tube (10), it is characterized in that: the frame (1) between described drying oven (4) and preheating furnace (6) is provided with vacuum purification district (11), described vacuum purification district (11) is respectively arranged with vacuum purification district nitrogen tube (12) and vacuum purification district vacuum-pumping tube (13), frame (1) between described soldering oven (6) and air blast cooling district (7) is provided with vacuum purification cooling zone (14), described vacuum purification cooling zone (14) is respectively arranged with vacuum purification cooling zone nitrogen tube (15) and vacuum purification cooling zone vacuum-pumping tube (16), described preheating furnace nitrogen tube (9), soldering oven nitrogen tube (10), vacuum purification district nitrogen tube (12) is connected with nitrogen feeder respectively with vacuum purification cooling zone nitrogen tube (15), described vacuum purification district vacuum-pumping tube (13) is connected with vacuum extractor respectively with empty purification cooling zone vacuum-pumping tube (16).
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610092621.6A CN105562878A (en) | 2016-02-19 | 2016-02-19 | Continuous vacuum nitrogen protection brazing furnace |
| PCT/CN2016/076370 WO2017140009A1 (en) | 2016-02-19 | 2016-03-15 | Continuous vacuum nitrogen-protection brazing furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610092621.6A CN105562878A (en) | 2016-02-19 | 2016-02-19 | Continuous vacuum nitrogen protection brazing furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105562878A true CN105562878A (en) | 2016-05-11 |
Family
ID=55873804
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610092621.6A Pending CN105562878A (en) | 2016-02-19 | 2016-02-19 | Continuous vacuum nitrogen protection brazing furnace |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN105562878A (en) |
| WO (1) | WO2017140009A1 (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107855623A (en) * | 2017-12-29 | 2018-03-30 | 山东才聚电子科技有限公司 | A kind of vacuum welding furnace control system and its control method |
| 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 |
| CN111375857A (en) * | 2020-04-10 | 2020-07-07 | 柳州市易昇热导技术有限公司 | Brazing method of double-layer composite water tank |
| CN112809117A (en) * | 2021-03-02 | 2021-05-18 | 辽宁东升精机有限公司 | Brazing process for core seal of seal type radiator |
| CN113714583A (en) * | 2021-08-16 | 2021-11-30 | 江苏新智达新能源设备有限公司 | Vacuum welding furnace |
| CN116213874A (en) * | 2023-05-05 | 2023-06-06 | 西科沃克瑞泰克热处理设备制造(天津)有限公司 | Double preheating system for replacing nitrogen in batch furnace feeding chamber and indoor gas |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114396796B (en) * | 2022-01-14 | 2024-02-23 | 南京科达新控仪表有限公司 | Push plate furnace double-gate feeding device with nitrogen protection and use method thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5762859A (en) * | 1980-09-30 | 1982-04-16 | Chugai Ro Kogyo Kaisha Ltd | Method and furnace for aluminum brazing using protective atmosphere |
| JPH07115169B2 (en) * | 1992-08-11 | 1995-12-13 | 株式会社サーマル | Brazing continuous device |
| CN2625092Y (en) * | 2003-03-18 | 2004-07-14 | 劲茂科技有限公司 | Four-cabin continuous vacuum braze welding furnace |
| CN104858520A (en) * | 2015-05-25 | 2015-08-26 | 浙江创新汽车空调有限公司 | Nitrogen protective continuous type brazing furnace |
| CN205380343U (en) * | 2016-02-19 | 2016-07-13 | 江苏康杰机械股份有限公司 | Continuous vacuum nitrogen protection stove of brazing |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3012879B2 (en) * | 1990-09-03 | 2000-02-28 | 東洋ラジエーター株式会社 | Vacuum brazing equipment for heat exchangers |
| JP3066436B2 (en) * | 1990-09-05 | 2000-07-17 | 東洋ラジエーター株式会社 | Vacuum brazing method for heat exchanger |
| JP2009115413A (en) * | 2007-11-08 | 2009-05-28 | Chubu Ueringu Co Ltd | Heat-treatment apparatus |
-
2016
- 2016-02-19 CN CN201610092621.6A patent/CN105562878A/en active Pending
- 2016-03-15 WO PCT/CN2016/076370 patent/WO2017140009A1/en active Application Filing
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5762859A (en) * | 1980-09-30 | 1982-04-16 | Chugai Ro Kogyo Kaisha Ltd | Method and furnace for aluminum brazing using protective atmosphere |
| JPH07115169B2 (en) * | 1992-08-11 | 1995-12-13 | 株式会社サーマル | Brazing continuous device |
| CN2625092Y (en) * | 2003-03-18 | 2004-07-14 | 劲茂科技有限公司 | Four-cabin continuous vacuum braze welding furnace |
| CN104858520A (en) * | 2015-05-25 | 2015-08-26 | 浙江创新汽车空调有限公司 | Nitrogen protective continuous type brazing furnace |
| CN205380343U (en) * | 2016-02-19 | 2016-07-13 | 江苏康杰机械股份有限公司 | Continuous vacuum nitrogen protection stove of brazing |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107855623A (en) * | 2017-12-29 | 2018-03-30 | 山东才聚电子科技有限公司 | A kind of vacuum welding furnace control system and its control method |
| CN107855623B (en) * | 2017-12-29 | 2023-07-18 | 山东才聚电子科技有限公司 | Vacuum welding furnace control system and control method thereof |
| 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 |
| CN111375857A (en) * | 2020-04-10 | 2020-07-07 | 柳州市易昇热导技术有限公司 | Brazing method of double-layer composite water tank |
| CN111375857B (en) * | 2020-04-10 | 2021-12-17 | 柳州市易昇热导技术有限公司 | Brazing method of double-layer composite water tank |
| CN112809117A (en) * | 2021-03-02 | 2021-05-18 | 辽宁东升精机有限公司 | Brazing process for core seal of seal type radiator |
| CN113714583A (en) * | 2021-08-16 | 2021-11-30 | 江苏新智达新能源设备有限公司 | Vacuum welding furnace |
| CN116213874A (en) * | 2023-05-05 | 2023-06-06 | 西科沃克瑞泰克热处理设备制造(天津)有限公司 | Double preheating system for replacing nitrogen in batch furnace feeding chamber and indoor gas |
| CN116213874B (en) * | 2023-05-05 | 2023-08-11 | 西科沃克瑞泰克热处理设备制造(天津)有限公司 | Double preheating system for replacing nitrogen in batch furnace feeding chamber and indoor gas |
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| Publication number | Publication date |
|---|---|
| WO2017140009A1 (en) | 2017-08-24 |
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Application publication date: 20160511 |
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