CN205380343U - Continuous vacuum nitrogen protection stove of brazing - Google Patents
Continuous vacuum nitrogen protection stove of brazing Download PDFInfo
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- CN205380343U CN205380343U CN201620128967.2U CN201620128967U CN205380343U CN 205380343 U CN205380343 U CN 205380343U CN 201620128967 U CN201620128967 U CN 201620128967U CN 205380343 U CN205380343 U CN 205380343U
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Abstract
The utility model discloses a consume the low effectual continuous vacuum nitrogen protection stove of brazing that brazes, include: the frame with set up the chain cyclic delivery device in the frame, set gradually a district, drying furnace, preheater, the stove of brazing, forced air -cooling district and lower district after to in the frame in the past, be provided with preheater nitrogen gas pipe on the preheater, be provided with the stove nitrogen gas pipe of brazing on the stove of brazing, be provided with the vacuum purifying area in the frame between drying furnace and preheater, be provided with vacuum purifying area nitrogen gas respectively and manage and vacuum purifying area vacuum tube on the purifying area of vacuum, being provided with the vacuum in the frame between braze stove and forced air -cooling are distinguished and purifying the cooling space, be provided with the vacuum respectively and purify cooling space nitrogen gas pipe and vacuum purification cooling space vacuum tube on the vacuum purifies the cooling space, preheater nitrogen gas pipe, the stove nitrogen gas pipe of brazing, vacuum purifying area nitrogen gas pipe and vacuum purify cooling space nitrogen gas pipe and are connected with nitrogen supply device respectively.
Description
Technical field
This utility model relates to a kind of soldering oven, particularly relates to a kind of continuous vacuum nitrogen-protective soldering furnace.
Background technology
Soldering oven is a kind of equipment that each for aluminum heat exchanger parts carry out effectively connection.It is that the alloy melting point utilizing solder carries out welding lower than this characteristic of fusing point of metal material.Solder is usually placed near the solder side needing connecting portion or the inside, between parts and solder side and surface scribble aluminum brazing flux, parts heat to brazing alloy is melted the nonfused temperature of parts metals under certain inert gas shielding.The oxide-film of metal material broken by soldering flux, allows and carries out diffusion into the surface between its motlten metal and infusible metal, after cooling, solder metal will and component contact face between formed melts combine.
The structure of existing soldering oven specifically includes that frame and the chain circulation conveyer device being 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 the work of existing soldering oven, need the workpiece carrying out soldering part in Shang Jian district, carried by chain circulation conveyer device, entrance drying oven is dried, preheat subsequently into preheating furnace, carrying out soldering subsequently into soldering oven, soldering enters the cooling of air blast cooling district after completing, subsequently into lower part district lower part.Owing to temperature is higher in preheating furnace and soldering oven, workpiece easily aoxidizes, and is filled with nitrogen by preheating furnace nitrogen tube in warm in preheating furnace, makes to be full of in preheating furnace nitrogen, it is prevented that workpiece is high-temperature oxydation in preheating furnace；Brazing process is filled with nitrogen by soldering oven nitrogen tube in soldering oven, makes to be full of in soldering oven nitrogen, it is prevented that workpiece is high-temperature oxydation in soldering oven.If it is desired to reach preheating furnace and the nitrogen gas concn of soldering oven Nei Genggao, it is necessary to be constantly filled with substantial amounts of nitrogen in preheating and brazing process, nitrogen consumption is relatively big, and energy consumption is high, and use cost is big.But existing soldering oven enters nitrogen gas concn in the process in preheating furnace at drying oven and does not still reach, 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 still do not reach from soldering oven simultaneously, the higher workpiece of temperature or easily oxidation, affect soldering effect.
Utility model content
Technical problem to be solved in the utility model is: provide the continuous vacuum nitrogen-protective soldering furnace that the low soldering of a kind of energy consumption is effective.
In order to solve above-mentioned technical problem, the technical solution adopted in the utility model is: continuous vacuum nitrogen-protective soldering furnace, including: frame and the chain circulation conveyer device being 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 the empty cooling zone vacuum-pumping tube that purifies.
The utility model has the advantages that: above-mentioned aluminum brazing furnace, vacuum purification district it is provided with between drying oven and preheating furnace, vacuum purification district is the transition region between drying oven and preheating furnace, by vacuum purification district is closed, evacuation, 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 it 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 vacuum purification cooling zone is closed, evacuation, 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；Ensureing that in preheating and brazing process, workpiece will not aoxidize, it is ensured that soldering effect and brazing quality, save nitrogen consumption, use cost reduces, and uses safer.
Accompanying drawing explanation
Fig. 1 is the structural representation of this utility model continuous vacuum nitrogen-protective soldering furnace.
Fig. 2 is the plan structure schematic diagram of Fig. 1.
In figure: 1, frame, 2, chain circulation conveyer 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 utility model is described in detail below in conjunction with the drawings and specific embodiments.
Such as Fig. 1, shown in Fig. 2, continuous vacuum nitrogen-protective soldering furnace, including: frame 1 and the chain circulation conveyer device 2 being 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 5 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 the empty cooling zone vacuum-pumping tube 16 that purifies.
During the work of above-mentioned continuous vacuum nitrogen-protective soldering furnace; need the workpiece 17 carrying out soldering part in Shang Jian district 3; carried by chain circulation conveyer device 2; enter drying oven 4 to be dried; preheat subsequently into preheating furnace 5; carrying out soldering subsequently into soldering oven 6, soldering enters air blast cooling district 7 after completing and cools down, subsequently into lower part district 8 lower part.
At workpiece 17 in the process entering preheating furnace 5 from drying oven 4, and passing through in the process that soldering oven 6 enters air blast cooling district 7 at workpiece 17, owing to temperature is higher, workpiece 17 easily aoxidizes.
Above-mentioned continuous vacuum nitrogen-protective soldering furnace, vacuum purification district 11 it 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, by the fire door 18 of both sides, vacuum purification district 11, vacuum purification district 11 is closed, by vacuum purification district vacuum-pumping tube 13 evacuation, 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, utilize preheating furnace nitrogen tube 9 to the nitrogen charging tolerance in preheating furnace 5 thus reducing；Vacuum purification cooling zone 14 it 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 vacuum purification cooling zone 14 is closed, by vacuum purification cooling zone vacuum-pumping tube 16 evacuation, 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, utilize soldering oven nitrogen tube 10 to the nitrogen charging tolerance in soldering oven 6 thus reducing.
Above-described embodiment is only for illustration of the utility model; and be not to restriction of the present utility model; those skilled in the art are when without departing from this utility model protection domain; can also make various change and modification, all also should belong to protection category of the present utility model with the same or analogous technical scheme of this utility model.
Claims (1)
1. continuous vacuum nitrogen-protective soldering furnace, including: frame (1) and the chain circulation conveyer device (2) being 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 (5) 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 cooling zone vacuum-pumping tube (16) that purifies.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620128967.2U CN205380343U (en) | 2016-02-19 | 2016-02-19 | Continuous vacuum nitrogen protection stove of brazing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620128967.2U CN205380343U (en) | 2016-02-19 | 2016-02-19 | Continuous vacuum nitrogen protection stove of brazing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205380343U true CN205380343U (en) | 2016-07-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620128967.2U Expired - Fee Related CN205380343U (en) | 2016-02-19 | 2016-02-19 | Continuous vacuum nitrogen protection stove of brazing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205380343U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105562878A (en) * | 2016-02-19 | 2016-05-11 | 江苏康杰机械股份有限公司 | Continuous vacuum nitrogen protection brazing furnace |
-
2016
- 2016-02-19 CN CN201620128967.2U patent/CN205380343U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105562878A (en) * | 2016-02-19 | 2016-05-11 | 江苏康杰机械股份有限公司 | Continuous vacuum nitrogen protection brazing furnace |
| WO2017140009A1 (en) * | 2016-02-19 | 2017-08-24 | 江苏康杰机械股份有限公司 | Continuous vacuum nitrogen-protection brazing furnace |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160713 Termination date: 20190219 |