CN100477886C - Weld method of printing base plate and jet-flow welding flux trough - Google Patents
Weld method of printing base plate and jet-flow welding flux trough Download PDFInfo
- Publication number
- CN100477886C CN100477886C CNB021081700A CN02108170A CN100477886C CN 100477886 C CN100477886 C CN 100477886C CN B021081700 A CNB021081700 A CN B021081700A CN 02108170 A CN02108170 A CN 02108170A CN 100477886 C CN100477886 C CN 100477886C
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- CN
- China
- Prior art keywords
- jet nozzle
- jet
- welding
- wavemaking
- base plate
- 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.)
- Expired - Lifetime
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Classifications
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K3/00—Apparatus or processes for manufacturing printed circuits
- H05K3/30—Assembling printed circuits with electric components, e.g. with resistor
- H05K3/32—Assembling printed circuits with electric components, e.g. with resistor electrically connecting electric components or wires to printed circuits
- H05K3/34—Assembling printed circuits with electric components, e.g. with resistor electrically connecting electric components or wires to printed circuits by soldering
- H05K3/3489—Composition of fluxes; Methods of application thereof; Other methods of activating the contact surfaces
-
- 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
- B23K1/08—Soldering by means of dipping in molten solder
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Molten Solder (AREA)
- Electric Connection Of Electric Components To Printed Circuits (AREA)
Abstract
To reduce failure in soldering by using not only one type of jet nozzle suggested by a soldering device maker but some jet nozzles fit for each printed board, related to soldering of variety of printed boards used for an electronic equipment. SOLUTION: In this soldering method, the jet nozzle fit for soldering each printed board is selected to solder, so that failure in soldering is decreased. Related to a jet soldering bath, the jet nozzle is composed of a wave making part and a base, so that the wave making part is easily exchanged with that fit for the printed board to solder. Further, because the jet nozzle is divided into the wave making part and the base, cleaning for oxides is easily done.
Description
Technical field
The jet solder bath of method that the fusion welding that the present invention relates to make printed base plate and jet nozzle to penetrate contact and welds and injection fusion welding.
Background technology
Have household electronic products such as television set and video machine, mobile phone and auto-navigation system communication equipment and numerous species such as business machine such as mainframe computer and telephone exchanger such as (カ one Na PVC) as electronic instrument.The loading form of printed base plate that uses in these electronic instruments and electronic instrument etc. also is diversified.
The printed base plate that generally is widely used in household electronic products when welding, inserts the lead-in wire of discrete parts from the hole on printed base plate surface, the bonding land of lead-in wire that will protrude and printed base plate welds overleaf.In addition, in small communication devices, owing to must load electronic component efficiently,, weld surface real dress parts being carried out real installing under the state that the what is called on the preceding back side of printed base plate " loads in mixture " so discrete parts is loaded on the surface with printed base plate.And, in large scale electronic equipment, in order not only to carry out efficiently real dress but also will reduce the usable floor area of printed base plate to electronic component, therefore adopted the stacking substrate that the polylith printed base plate is overlapped, in this stacking substrate, not only need printed base plate and electronic component are welded, and conduct, in running through the through hole of whole printed base plate, immerse scolder and weld in order to make to obtain between each printed base plate.
In the welding of printed base plate and discrete parts, in whole lands of wetting printed base plate, the scolder that is attached on the lead-in wire of discrete parts must adhere to depict the steady diffusion type of hyp mode.And, welding for the land of surperficial real apparatus, electronic part in loading in mixture and printed base plate, because the bight of weld part form right angle, so scolder must be immersed in this bight fully, and scolder also must be immersed in the through hole of stacking substrate fully, must form conducting between whole printed base plate.
Existing jet solder bath is to be provided with the have a kind of perturbation wave device jet solder bath of a jet nozzle of (waste ripple means).Relevant this perturbation wave device, the manufacturer of welder recommends to adopt the jet nozzle with versatility, has both gone for the jet nozzle of all printed base plates.But, in fact the jet nozzle that welder manufacturer is recommended is not general, the existing jet nozzle that discrete parts and printed base plate are welded that is applicable to, also have to be applicable to the jet nozzle that loads in mixture substrate welding, and be applicable in addition and weld jet nozzle running through the through hole that is arranged on the stacking substrate.
And, existing jet solder bath, the end of pipeline is provided with jet pump, forms pipe outlet on the other end, and this pipe outlet is provided with a jet nozzle (to call jet nozzle in the following text).Its structure of the jet nozzle of this existing jet solder bath is for being provided with the perturbation wave device on top, and in the bottom fixing cowling panel.
At a kind of jet nozzle that utilizes welder manufacturer to recommend, carry out the welding of discrete part and printed base plate and load in mixture the welding of substrate and the situation of the welding of the various printed base plates such as welding of stacking substrate under, do not produce process and poor welding even adopted the printed base plate that is suitable for this jet nozzle by chance, but bad welding can take place for the printed base plate that is not suitable for jet nozzle is most.For this reason, even if be applicable to the welding of discrete parts at jet nozzle, but be unsuitable for the welding of through hole and load in mixture under the situation of welding of substrate, will cause that scolder can not fully be immersed in the through hole, maybe can not be immersed in the problem of the medium failure welding in bight of surface real dress parts.
And existing jet solder bath exists in the maintenance of jet nozzle and cleaning and needs the cost plenty of time, or with certain danger.That is, for the jet solder bath, when long-time use, the oxide of scolder finally can be attached on the wall of cowling panel and nozzle.When this oxide is peeled off when welding printed base plate, fusion welding with jet flows, in the oxide cross-over connection under the state between the bonding land of printed base plate, can be attached to it and cause short circuit, or make degraded appearance and diminish the value of commodity.Therefore, this jet welding groove must regularly take off jet nozzle and the oxide that is attached on cowling panel and the nozzle wall surface is cleared up from pipeline.And because the perturbation wave device of existing jet welding groove and nozzle body and cowling panel are to form one, so overall volume is big and Heavy Weight.And, because the overwhelming majority of existing its jet nozzle of jet solder bath is the state that slips in the scolder of fusion, require a great deal of time so not only jet nozzle is taken out from the fusion welding of high temperature, and in the process of taking out, be attended by the danger that the fusion welding that falls down is splash.
Summary of the invention
The objective of the invention is to, the method that provides a kind of jet nozzle of using various printed base plates to different welding conditions to produce the optimum jets to weld, with provide a kind of when being easy to the dragonfly flow nozzle of being furnished with various shock wave devices changed, be easy to from fusion welding, take out, thereby be easy to jet solder bath that the wall of cowling panel and nozzle is cleared up.
The present invention is conceived to: in the perturbation wave device of jet solder bath many types are arranged, these perturbation wave devices then can not produce failure welding if be suitable for printed base plate, and if jet nozzle is separated, then each divided part diminishes and weight lightens, when from fusion welding, taking out in order to keep in repair and to clear up, can be not time-consuming and without danger, thus realized the present invention.
First invention of the present invention is a kind of welding method of printed base plate, with the whole back side of printed base plate with after fusion welding from the state of disturbance of a jet nozzle ejection contacts, it is contacted with the stable fusion welding that penetrates from the secondary jet nozzle, weld, it is characterized in that, when the disturbance fusion welding with a jet nozzle ejaculation contacts and welds, selection can obtain to be suitable for most the jet nozzle of structure of perturbation wave (waste ripple) of the welding of this printed base plate, welds after being installed on the base portion of jet solder bath.
And, second invention of the present invention is a kind of jet solder bath, this jet solder bath has a jet nozzle of the fusion welding that penetrates state of disturbance and penetrates the secondary jet nozzle of the fusion welding of stable state, it is characterized in that, one time jet nozzle is made of base portion and wavemaking part, be provided with the cowling panel that has worn a plurality of holes in the bottom of base portion, simultaneously, in wavemaking part, be provided with the device of disturbance fusion welding, and base portion is connected on the pipeline in the mode that can take off, and wavemaking part is connected on the base portion in the mode that can take off.
In the welding method of the present invention,, be suitable for for example being equipped with the board-like perturbation wave device of perforation in a plurality of holes for the welding of discrete parts and printed base plate.When this perforated plate passes through a plurality of hole when melt flux, on perforated plate, form the projection of a plurality of melt fluxes, because this projection instability, so scolder is between the bonding land of hyperbolic wire attached to discrete parts and printed base plate.
And,, for example be the perturbation wave device that is provided with pole in slit-shaped jet nozzle exit as the perturbation wave device of the welding that is suitable for surface real dress parts and printed base plate most with freely swinging.Be provided with the jet nozzle of pole, owing to utilize the swing of pole to make the fusion welding shape of ejaculation be the state of very disturbance, even so for the real bight of adorning the right angle of parts, the surface that is difficult to enter that utilizes general perturbation wave device to form, melt flux also can enter at an easy rate.
And, the so-called perturbation wave device that is suitable for stacking substrate welding most, be for example fusion welding from the surging what is called " jetting stream " that flows out of the outlet of the jet nozzle of thin slit-shaped.Jetting stream is owing to having advantage, so even in long through hole, fusion welding also can enter.
In addition, the present invention relates to a kind of jet solder bath, this jet solder bath has a jet nozzle of the fusion welding that penetrates state of disturbance and penetrates the secondary jet nozzle of the fusion welding of stable state, it is characterized in that, a described jet nozzle is made of base portion and wavemaking part, and a described jet nozzle is connected with pipeline, described base portion is provided with the cowling panel that has worn a plurality of holes in the bottom, described wavemaking part is provided with the device of disturbance fusion welding, described base portion, wavemaking part and pipeline are separate respectively and can separate, described wavemaking part is connected with described base portion to prevent mode that fusion welding flows out from the connecting portion of described wavemaking part and described base portion and be arranged on the described base portion, and described base portion also is connected with this pipeline to prevent mode that fusion welding flows out from the connecting portion of described base portion and described pipeline to be arranged on the described pipeline.
In addition, the invention still further relates to a kind of welding method of printed base plate, at the whole back side that makes printed base plate with after fusion welding from the state of disturbance of jet nozzle ejection contacts, make its fusion welding contact and weld with the stable state that penetrates from the secondary jet nozzle, it is characterized in that, use a jet nozzle of the jet solder bath of technique scheme, this jet nozzle has the disturbance wave structure of the welding that can obtain to be suitable for most printed base plate by changing wavemaking part.
Description of drawings
Fig. 1 is the cutaway view of jet solder bath of the present invention;
Fig. 2 is the cutaway view of the jet nozzle that uses in jet solder bath of the present invention;
Fig. 3 is the cutaway view of the another kind of jet nozzle that uses in jet solder bath of the present invention;
Fig. 4 is the cutaway view of another jet nozzle of using in jet solder bath of the present invention;
Fig. 5 is the exploded perspective view that the jet nozzle with Fig. 2 blocks;
Fig. 6 is the oblique view that the wavemaking part with the jet nozzle of Fig. 3 blocks;
Fig. 7 is the oblique view that the wavemaking part with the jet nozzle of Fig. 4 blocks;
Fig. 8 is the key diagram to the jet state of the jet nozzle of Fig. 2;
Fig. 9 is the key diagram to the jet state of the jet nozzle of Fig. 3;
Figure 10 is the key diagram to the jet state of the jet nozzle of Fig. 4.
Embodiment
The present invention will be described with reference to the accompanying drawings below.Fig. 1 is the cutaway view of jet solder bath of the present invention, Fig. 2 is the cutaway view of the jet nozzle that uses in jet solder bath of the present invention, Fig. 3 is the cutaway view of the another kind of jet nozzle that uses in jet solder bath of the present invention, Fig. 4 is the cutaway view of another jet nozzle of using in jet solder bath of the present invention, Fig. 5 is the oblique view that the jet nozzle with Fig. 2 blocks, Fig. 6 is the oblique view that the wavemaking part with the jet nozzle of Fig. 3 blocks, Fig. 7 is the oblique view that the wavemaking part with the jet nozzle of Fig. 4 blocks, Fig. 8 is the key diagram to the jet state of the jet nozzle of Fig. 2, Fig. 9 is the key diagram to the jet state of the jet nozzle of Fig. 3, and Figure 10 is the key diagram to the jet state of the jet nozzle of Fig. 4.
At first, the solder bath that shoots material of the present invention is described.As shown in Figure 1, the main body 1 of the solder bath that shoots material is box-shaped, is incorporated with scolder S in inside.Inside or outside in main body 1 are equipped with not shown heater, and this heater keeps certain temperature when making scolder S fusion.And, be provided with jet nozzle 2 and secondary jet flow nozzle 3 in the inside of main body 1.These jet nozzle is connected with pipeline 4,4 with the secondary jet nozzle.The other end at pipeline 4,4 is provided with not shown pump, and the fusion welding that is sent by this pump pressure flow in the pipeline, and penetrates from jet nozzle and the secondary jet nozzle that is connected with pipeline.Fusion welding penetrates from a jet nozzle with surging state, penetrates from the secondary jet nozzle with state stably.
Shown in Fig. 2,5, one time jet nozzle 2 is made of wavemaking part 5 and base portion 6.Wavemaking part 5 is made of a pair of nozzle plate 7,7 and a pair of nozzle side plate 8 (having does not in the drawings illustrate), is provided with on top and has worn a plurality of holes 9 ... wave paddle 10.
The bottom of base portion 6 is identical with pipeline 4 shapes, and this base portion is loaded on the pipeline 4 shown in the arrow B of Fig. 5 and couples together.On pipeline 4, also be provided with guide cylinder 16, when base portion is installed on the pipeline, when being easy to load, can prevent that fusion welding from flowing out from connecting portion.
The wavemaking part 5 of a jet nozzle 2 shown in Fig. 3,6 is made of a pair of nozzle plate 17,17 and a pair of nozzle side plate 18 (have in the drawings one not shown), and the top between a pair of nozzle plate 17,17 is very narrow and small, and the bottom broadens, and the intermediate portion tilts.Narrow on top is provided with stick-like 19 along its length.The two ends of stick-like 19 are utilized very little power swing by not shown spring traction.The structure of base portion 6 and pipeline 4, and loading condition is the same with the explanation of earlier figures 2,5, therefore omits its explanation.
The wavemaking part 5 of a jet nozzle 2 shown in Fig. 4,7 is made of a pair of nozzle plate 20,20 and a pair of nozzle side plate 21 (have in the drawings one not shown), and upper narrow, bottom between a pair of nozzle plate 20,20 broaden, and the intermediate portion tilts.Narrow on top is provided with slit and forms parts 22,23.The part of slit formation parts 22 usefulness bottoms stirs wave, and another slit formation parts 23 make about jet to be shunted.The structure of base portion 6 and pipeline 4, and loading condition is identical with the explanation of earlier figures 2,5, thereby omit its explanation.
Below, the jet state in the jet solder bath of the present invention that is made of said structure is described.Fig. 2,5 jet nozzle form the protrusion of a plurality of fusion weldings as shown in Figure 8 on top.It is to arrive wavemaking part 5 from pipeline by base portion 6 by the fusion welding S that not shown pump transports, when a plurality of holes 9 of fusion welding S by wave paddle 10 ... protrude on the top of Shi Zaikong.Because these protrusions are by pressurized and outflow down, so be unsettled, are the state of swing.The protrusion of Bai Dong fusion welding is suitable for the welding of the bonding land of the lead-in wire of discrete parts and printed base plate most like this, and weld part adheres to scolder to depict desirable hyp mode.
Fig. 3,6 jet nozzle as shown in Figure 9, the fusion welding that penetrates from jet nozzle is state of disturbance at random.It is the fusion welding S that transported by not shown pump when broad part flows into narrow part rapidly, and flow velocity accelerates.And because this narrow is provided with stick-like 19, the fusion welding that flow velocity becomes very fast impacts stick-like 19, forms so-called at the downside of stick-like " Karman vortex ".Karman vortex pushes stick-like brokenly, and the two ends of stick-like are by not shown spring traction, with very little power swing.So the fusion welding on stick-like top is confused and forms stochastic regime by the swing of stick-like.This jet state at random has in the bight of the surface real dress parts on the back side that fusion welding is entered be loaded into printed base plate.
Fig. 4,7 jet nozzle are stirred at two ends and are carried out surging jet as shown in figure 10.When it is the fusion welding that transported by not shown pump by narrow slit, form have surging jetting stream and from about penetrate.Because this jetting stream has advantage, so can enter the slightness hole of stacking plate well.
Below, welding method of the present invention is described.Before the welding printed base plate, for example be ready to the wavemaking part that has the wave paddle in a plurality of holes on top that is provided with shown in Fig. 2,5, shown in Fig. 3,6, partly be provided with the wavemaking part of stick-like in upper narrow, and the wavemaking part that jetting stream is sprayed from slit shown in Fig. 4,7.
At first, be under the situation of bonding land of discrete parts and printed base plate at the printed base plate of welding, will the wavemaking part shown in Fig. 2,5 be installed on the base portion and weld.In addition, become under the situation at the back side that with the surface real dress parts are loaded in printed base plate, will the wavemaking part shown in Fig. 3,6 be installed on the base portion and weld at the printed base plate of welding.And then, be that stacking substrate, scolder must enter under the situation in the through hole at the printed base plate of welding, will the wavemaking part shown in Fig. 4,7 be installed on the base portion and weld.
Like this, during the printed base plate of each change welding,, just can not produce failure welding as long as wavemaking part is become the wavemaking part that is suitable for this printed base plate welding.
According to the present invention described above, when various printed base plates are welded, weld owing to change the jet nozzle that is suitable for printed base plate, therefore, can stop the generation of failure welding.And, jet solder bath of the present invention, jet nozzle is made of wavemaking part and base portion, therefore, can carry out the exchange of wavemaking part easily, can adopt the wavemaking part that is suitable for the printed base plate welding to weld.And then jet solder bath of the present invention is when cleaning is attached to the nozzle wall surface of wavemaking part and the oxide on the cowling panel, can with wavemaking part and base section from and take off from jet solder bath main body, therefore, not only in unloading process, can not drop, can carry out cleaning work relievedly.And, existing jet solder bath, when nozzle wall surface is cleared up, the cowling panel and the wave simulator of having to form one, massiveness take off, and jet solder bath of the present invention can with wavemaking part and base section from, therefore can easily clear up, have the unexistent beneficial effect of prior art.
Claims (2)
1. jet solder bath, this jet solder bath has a jet nozzle of the fusion welding that penetrates state of disturbance and penetrates the secondary jet nozzle of the fusion welding of stable state, it is characterized in that, a described jet nozzle is made of base portion and wavemaking part, and a described jet nozzle is connected with pipeline, described base portion is provided with the cowling panel that has worn a plurality of holes in the bottom, described wavemaking part is provided with the device of disturbance fusion welding
Described base portion, wavemaking part and pipeline are separate respectively and can separate, described wavemaking part is connected with described base portion to prevent mode that fusion welding flows out from the connecting portion of described wavemaking part and described base portion and be arranged on the described base portion, and described base portion also is connected with this pipeline to prevent mode that fusion welding flows out from the connecting portion of described base portion and described pipeline to be arranged on the described pipeline.
2. the welding method of a printed base plate, at the whole back side that makes printed base plate with after fusion welding from the state of disturbance of jet nozzle ejection contacts, make its fusion welding contact and weld with the stable state that penetrates from the secondary jet nozzle, it is characterized in that, use a jet nozzle of the jet solder bath of claim 1, this jet nozzle has the disturbance wave structure of the welding that can obtain to be suitable for most printed base plate by changing wavemaking part.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP358362/2001 | 2001-11-22 | ||
| JP2001358362A JP2003158369A (en) | 2001-11-22 | 2001-11-22 | Soldering method for printed board and jet soldering bath |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1422109A CN1422109A (en) | 2003-06-04 |
| CN100477886C true CN100477886C (en) | 2009-04-08 |
Family
ID=19169552
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB021081700A Expired - Lifetime CN100477886C (en) | 2001-11-22 | 2002-03-28 | Weld method of printing base plate and jet-flow welding flux trough |
Country Status (4)
| Country | Link |
|---|---|
| JP (1) | JP2003158369A (en) |
| KR (1) | KR100918643B1 (en) |
| CN (1) | CN100477886C (en) |
| TW (1) | TW540278B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPWO2010087374A1 (en) * | 2009-01-27 | 2012-08-02 | 千住金属工業株式会社 | Jet solder bath |
| JP5279606B2 (en) * | 2009-05-14 | 2013-09-04 | 株式会社デンソー | Soldering equipment |
| JP5458854B2 (en) * | 2009-12-11 | 2014-04-02 | 千住金属工業株式会社 | Jet solder bath |
| CN104084661A (en) * | 2014-07-11 | 2014-10-08 | 库尔特机电设备（上海）有限公司 | Nozzle of selective wave soldering equipment |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6051939B2 (en) * | 1981-06-02 | 1985-11-16 | 権士 近藤 | Jet solder bath |
| JPS58157261A (en) * | 1982-03-15 | 1983-09-19 | Mitsubishi Electric Corp | External synchronizing system |
| JPH01150462A (en) * | 1987-12-07 | 1989-06-13 | Tamura Seisakusho Co Ltd | Jet type soldering device |
| JPH0661364U (en) * | 1993-01-19 | 1994-08-30 | 東京生産技研株式会社 | Soldering device |
| JPH10154569A (en) * | 1996-11-22 | 1998-06-09 | Nitsuku:Kk | Fusion solder ejection and automatic soldering device using the same |
-
2001
- 2001-11-22 JP JP2001358362A patent/JP2003158369A/en active Pending
-
2002
- 2002-03-28 CN CNB021081700A patent/CN100477886C/en not_active Expired - Lifetime
- 2002-09-10 TW TW091120645A patent/TW540278B/en not_active IP Right Cessation
- 2002-09-25 KR KR1020020057977A patent/KR100918643B1/en active IP Right Grant
Also Published As
| Publication number | Publication date |
|---|---|
| KR20030043615A (en) | 2003-06-02 |
| JP2003158369A (en) | 2003-05-30 |
| KR100918643B1 (en) | 2009-09-25 |
| TW540278B (en) | 2003-07-01 |
| CN1422109A (en) | 2003-06-04 |
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Granted publication date: 20090408 |