CN100457349C - Air protecting and heating type braze welding furnace - Google Patents
Air protecting and heating type braze welding furnace Download PDFInfo
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- CN100457349C CN100457349C CNB2007100213525A CN200710021352A CN100457349C CN 100457349 C CN100457349 C CN 100457349C CN B2007100213525 A CNB2007100213525 A CN B2007100213525A CN 200710021352 A CN200710021352 A CN 200710021352A CN 100457349 C CN100457349 C CN 100457349C
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Abstract
The invention discloses an air protection heating brazing furnace, comprising furnace body and welding room constituted by furnace. The welding room is divided into a group of control regions with different temperature. In each temperature control region internal thermal cycling fan, temperature sensor, electrical heater and temperature controller are set. Preheated protection air is connected with wind cavity of internal thermal cycling fan through pipes so that the internal thermal cycling fan with uniform temperature and protection air is set above the whole welding room and electrical heaters are set above and under workpeice properly. The data received by temperature controller from the temperature sensor is compared with setting parameters and the temperature controller controls electrical heaters in all temperature controlling regions. The invention can heat the brazing region in furnace accurately so that the temperature in the whole brazing region is uniform, the protection air is uniform and the workpeice welding quality is high.
Description
One, technical field
The present invention relates to the parts in a kind of intermittent type gas protecting soldering furnace, specifically a kind of air protecting and heating type braze welding furnace.
Two, background technology
Intermittent type gas protecting soldering furnace is a kind of equipment that each parts of aluminium heater are effectively connected.Be that this characteristic of utilizing the alloy melting point of almit Al-Si to be lower than components A L metal material fusing point is welded.Existing soldering oven adopts continous way more, and the soldering oven installed capacity of this version is big, is applicable to the processing of carrying out workpiece in enormous quantities.But very flexible then is difficult to meet the demands to the workpiece of different size and kind, and when changing specification of workpieces and kind, big to the adjustment difficulty of each parameter, adjustment cycle is long.And intermittent type gas protecting soldering furnace has overcome the shortcoming of continous way soldering oven, and flexibility is strong, can satisfy the workpiece processing request of different size and kind, and easy to adjust to each regional brazing process variables, the workpiece crudy is good.
Because the quality of workpiece crudy is mainly determined by the technological parameter in the heating soldering stove, thereby when operation, at first determine technological parameter in the heating soldering stove according to the processing request of different workpieces, determine parameter in other equipment regions by the technological parameter in the heating soldering stove again, and adjust the time that workpiece rests on the relevant device zone by the control driving chain.In actual the use, the relative higher preheating purifying area connection of the feed end of heating soldering stove with temperature, and the relatively low cooling zone of the discharge end of heating soldering stove and temperature is connected, thereby be easy to generate bigger temperature difference at the two ends of heating soldering stove; And the improper temperature contrast that also can cause the workpiece positive and negative of mode of heating.The soldering processing requirements is finished under the uniform atmosphere of temperature, and this just requires to have even temperature field and protective gas atmosphere in the heating soldering stove.Traditional heating soldering stove can not meet the demands.
Three, summary of the invention
In order to satisfy the requirement of intermittent type gas protecting soldering furnace; improve the crudy of workpiece; the purpose of this invention is to provide a kind of air protecting and heating type braze welding furnace; this air protecting and heating type braze welding furnace can accurately heat the furnace brazing district; make whole brazing area temperature even; and protective gas atmosphere is even, workpiece welding quality height.
The objective of the invention is to be achieved through the following technical solutions:
A kind of air protecting and heating type braze welding furnace comprises body of heater and by the welding booth that burner hearth constitutes, it is characterized in that: described welding booth punishes into a different set of temperature-controlled area by charging aperture place to discharging opening; In each temperature-controlled area, be equipped with interior thermal circulation fan, temperature sensor, electric heater and temperature controller; Protective gas after the preheating communicates with the wind chamber of interior thermal circulation fan by pipeline; Make the uniformly interior thermal circulation fan of whole welding booth temperature and protective gas atmosphere be arranged on the top, welding booth, electric heater is arranged in the upper and lower of workpiece symmetrically; Temperature controller compares the temperature sensor data that receive and the parameter of setting, and the electric heater in each temperature-controlled area is controlled.
For raising adds thermal effect, described electric heater is a tubular electric heating.Add thermal effect for further improving, satisfy different technological requirements, the body of heater outside is provided with portable heating cabinet below the bottom of welding booth is positioned at the location of workpiece.
The present invention for making temperature and protective gas atmosphere even, between workpiece and electric heater, is positioned at workpiece top and is provided with and is used for making temperature and the uniform gas shunting layer of protective gas atmosphere.The protective gas of heat heats workpiece by the gas shunting layer and implements gas shield.
Be to strengthen blast, of the present invention in the impeller of thermal circulation fan have 8, be divided into two groups and be divided on the two-layer circumference that evenly is arranged on rotating shaft, two-layer impeller is interlaced to be arranged in the rotating shaft; Four impellers of every layer 90 degree at interval are provided with, and the angle of every impeller is 35 degree.
Be provided with at the top of heating soldering furnace body and be used for reducing the hang spring of thermal coefficient of expansion to the soldering oven influence, the other end that hangs spring is arranged on the fixing slideway.When temperature exerts an influence to body of heater, can make body of heater produce minute movement, at this moment, hang spring and on fixing slideway, slightly slide, can produce small adjustment hanging spring effect lower furnace body, be unlikely to damage body of heater.
When workpiece turnover heating soldering stove, can cause the loss of protective gas, for guaranteeing that protective gas atmosphere is even in the heating soldering stove, the two ends of the present invention in the heating soldering stove are provided with the protective gas air curtain.
The present invention has even temperature field and protective gas atmosphere for guaranteeing in the heating soldering stove, and whole welding booth is divided into different temperature-controlled areas, is provided with interior thermal circulation fan at each temperature-controlled area, and the thermal circulation fan place is provided with temperature sensor in each.During operation, can control heater and interior thermal circulation fan, realize the purpose of even temperature field and protective gas atmosphere according to the data that temperature sensor records.Usually whole welding booth can be divided into two temperature-controlled areas, promptly temperature control one district and temperature control two districts are provided with an interior thermal circulation fan and one or two temperature sensor respectively in each district, can meet the demands.The present invention can accurately heat the furnace brazing district, make whole brazing area temperature even, and protective gas atmosphere is even, workpiece welding quality height.
Four, description of drawings
Fig. 1 is a structural representation of the present invention;
Fig. 2 is a schematic cross-section of the present invention;
Fig. 3 is the schematic diagram of interior thermal circulation fan among the present invention;
Five, the specific embodiment
A kind of air protecting and heating type braze welding furnace of the present invention comprises body of heater 1 and the welding booth 2 that is made of burner hearth, and welding booth 2 punishes into a different set of temperature-controlled area 21 by charging aperture place to discharging opening; Thermal circulation fan 22, temperature sensor 23, tubular electric heating 24 and temperature controller in each temperature-controlled area 21, being equipped with; Protective gas after the preheating communicates with the wind chamber of interior thermal circulation fan 22 by pipeline; Make the uniformly interior thermal circulation fan 22 of whole welding booth 2 temperature and protective gas atmosphere be arranged on 2 tops, welding booth, tubular electric heating 24 is arranged in the upper and lower of workpiece 3 symmetrically; Temperature controller compares temperature sensor 23 data that receive and the parameter of setting, and the tubular electric heatings 24 in each temperature-controlled area 21 are controlled.
Add thermal effect for further improving, satisfy different technological requirements, the body of heater outside is provided with portable heating cabinet below the bottom of welding booth 2 is positioned at workpiece 3 positions.
For making temperature and protective gas atmosphere even, between workpiece 3 and tubular electric heating 24, be positioned at workpiece 3 tops and be provided with and be used for making temperature and the uniform gas shunting layer 25 of protective gas atmosphere.The protective gas of heat heats by 25 pairs of workpiece of gas shunting layer and implements gas shield.Gas shunting layer 25 is the orifice plates that evenly are furnished with through hole, and hot protective gas heats workpiece 3 by through hole and implements gas shield.
Be to strengthen blast, the impeller of interior thermal circulation fan has 8, is divided into two groups and be divided on the two-layer circumference that evenly is arranged on rotating shaft, and two-layer impeller is interlaced to be arranged in the rotating shaft; Four impellers of every layer 90 degree at interval are provided with, and the angle of every impeller is 35 degree.
The technical parameter of present embodiment is: the soldering working chamber is that the full-size of welding booth is: 1800 long * 1200 wide * 350 height.Can hold maximum workpiece (comprising frock) size: 1500 long * 1050 wide * 250 height.Protective gas adopts nitrogen.
Working chamber be by airtight double-deck horse not in hall and two the electrical heating districts and two interior circulating fans constitute, the burner hearth two ends are provided with pneumatic door, can be according to the gap and the automatic shutter state of service requirement adjustment inlet.Structure is the heat-resistance stainless steel manufacturing entirely, insulation layer thickness 400mm, maximum operating temperature reaches 700 ℃, for the ease of safeguarding and the raising thermal efficiency, top adopts the built-in high-temperature electric heat rod of insertion to heat temperature adjustment, be divided into two temperature-controlled areas, be evenly arranged in driving-belt and workpiece on, the below, make it to utilize better the heating properties of electric heater to the direct radiation of workpiece, in the process of filling the heating of nitrogen device, adopted the interior thermal circulation fan of two low noises to carry out enforceable atmosphere heat convection, to improve the each point temperature, the uniformity of atmosphere reduces its temperature control deviation.The two-port of every electrical bar is equipped with the seal washer locking nut, does not leak with nitrogen in guarantor's work.Two soldering residues removing mouths are equipped with in the braze chamber bottom, can dismantle from the side, regularly remove inner residue.The nitrogen injection device is mixed into furnace chamber after having adopted the purification preheating, not influence the temperature stability in the stove and the uniformity of atmosphere in the process that guarantees soldering.During the use of nitrogen, by flowmeter, manually adjust valve, magnetic valve etc. and form flow observation, control system; By a cover sampling pump, little analysis of oxygen content instrument is formed the gas concentration detection system.Two system mutuals can be controlled quality technological requirement and best consumption gas production cost effectively.
Claims (7)
1, a kind of air protecting and heating type braze welding furnace, the welding booth (2) that comprises body of heater (1) and be made of burner hearth is characterized in that: described welding booth (2) punish into a different set of temperature-controlled area (21) by charging aperture place to discharging opening; In each temperature-controlled area (21), be equipped with interior thermal circulation fan (22), temperature sensor (23), electric heater (24) and temperature controller; Protective gas after the preheating communicates by the wind chamber of pipeline with interior thermal circulation fan (22); Make the uniformly interior thermal circulation fan (22) of whole welding booth (2) temperature and protective gas atmosphere be arranged on top, welding booth (2), electric heater (24) is arranged in the upper and lower of workpiece (3) symmetrically; Temperature controller compares temperature sensor (23) data that receive and the parameter of setting, and the electric heater (24) in each temperature-controlled area (21) is controlled.
2, air protecting and heating type braze welding furnace according to claim 1 is characterized in that: described electric heater (24) is a tubular electric heating.
3, air protecting and heating type braze welding furnace according to claim 1 is characterized in that: the bottom of (2) is provided with portable heating cabinet below being positioned at workpiece (3) position in the welding booth.
4, air protecting and heating type braze welding furnace according to claim 1 is characterized in that: between workpiece (3) and electric heater (24), be positioned at workpiece (3) top and be provided with and be used for making temperature and the uniform gas shunting layer of protective gas atmosphere (25).
5, air protecting and heating type braze welding furnace according to claim 4 is characterized in that: described gas shunting layer (25) is the orifice plate that evenly is furnished with through hole, and hot protective gas heats workpiece (3) by through hole and implements gas shield.
6, air protecting and heating type braze welding furnace according to claim 1, it is characterized in that: the impeller of thermal circulation fan (22) has 8 in described, be divided into two groups and be divided on the two-layer circumference that evenly is arranged on rotating shaft, two-layer impeller is interlaced to be arranged in the rotating shaft; Four impellers of every layer 90 degree at interval are provided with, and the angle of every impeller is 35 degree.
7, air protecting and heating type braze welding furnace according to claim 1 is characterized in that: be provided with at the top of body of heater (1) and be used for reducing the hang spring of thermal coefficient of expansion to body of heater (1) influence, the other end that hangs spring is arranged on the fixing slideway.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007100213525A CN100457349C (en) | 2007-04-09 | 2007-04-09 | Air protecting and heating type braze welding furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007100213525A CN100457349C (en) | 2007-04-09 | 2007-04-09 | Air protecting and heating type braze welding furnace |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101041195A CN101041195A (en) | 2007-09-26 |
| CN100457349C true CN100457349C (en) | 2009-02-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNB2007100213525A Expired - Fee Related CN100457349C (en) | 2007-04-09 | 2007-04-09 | Air protecting and heating type braze welding furnace |
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| CN (1) | CN100457349C (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102689069A (en) * | 2012-06-01 | 2012-09-26 | 周秀兰 | Automatic soldering machine |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102873425A (en) * | 2011-10-28 | 2013-01-16 | 南通天华和睿科技创业有限公司 | Welding equipment |
| CN102873421B (en) * | 2012-09-13 | 2015-04-15 | 无锡四方集团真空炉业有限公司 | Vacuum carrier gas aluminum brazing furnace |
| CN103252549A (en) * | 2013-05-24 | 2013-08-21 | 南宁八菱科技股份有限公司 | Gas-heating brazing equipment |
| CN103600152B (en) * | 2013-11-15 | 2015-09-30 | 合肥科烨电物理设备制造有限公司 | A kind of for inert gas shielding downforce soldering apparatus in stove |
| CN109424559A (en) * | 2017-08-25 | 2019-03-05 | 张跃 | A kind of water cooling shielding blower |
| CN110846495A (en) * | 2018-08-20 | 2020-02-28 | 宝山钢铁股份有限公司 | Intelligent furnace temperature control device and method for vehicle bottom furnace |
| CN111037025B (en) * | 2019-12-26 | 2022-02-25 | 盐城海荣炉业科技有限公司 | Brazing furnace transmission nitrogen protection device |
| CN111037026A (en) * | 2019-12-26 | 2020-04-21 | 盐城海荣炉业科技有限公司 | Muffle-free continuous brazing furnace |
| CN111360358A (en) * | 2020-04-28 | 2020-07-03 | 天津华耐机械设备制造有限公司 | Intelligent novel atmosphere-controllable aluminum continuous brazing furnace |
| CN114951894B (en) * | 2022-07-04 | 2024-01-02 | 北京航空航天大学宁波创新研究院 | Impregnating and brazing clamp |
| 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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2007
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Patent Citations (4)
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| EP0316091A1 (en) * | 1987-11-03 | 1989-05-17 | Emhart Inc. | Continuous solder reflow system |
| US5971249A (en) * | 1997-02-24 | 1999-10-26 | Quad Systems Corporation | Method and apparatus for controlling a time/temperature profile inside of a reflow oven |
| JP2003188524A (en) * | 2001-12-14 | 2003-07-04 | Sony Corp | Reflow apparatus |
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| NB式全自动氮气保护钎焊炉的结构及含氧量的控制. 魏东.机械设计与制造，第3期. 2007 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102689069A (en) * | 2012-06-01 | 2012-09-26 | 周秀兰 | Automatic soldering machine |
| CN102689069B (en) * | 2012-06-01 | 2016-06-29 | 周秀兰 | A kind of automatic tin welding machine |
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| Publication number | Publication date |
|---|---|
| CN101041195A (en) | 2007-09-26 |
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Owner name: JIANGSU KANGJIE MACHINERY CO., LTD. Free format text: FORMER NAME: KANGJIE MECHANICAL MFG. CO., LTD., YANCHENG |
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Address after: 224005 Jiangsu province Yancheng City District Dragon Street Road No. 9 Qinchuan salt Patentee after: JIANGSU KANGJIE MACHINERY CO., LTD. Address before: Yifeng Pengcheng road 224022 in Jiangsu province Yancheng City District No. 66 Patentee before: Kangjie Mechanical Mfg. Co., Ltd., Yancheng |
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| 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: 20090204 Termination date: 20180409 |