CN103192155B - Solder bath - Google Patents
Solder bath Download PDFInfo
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- CN103192155B CN103192155B CN201310002037.3A CN201310002037A CN103192155B CN 103192155 B CN103192155 B CN 103192155B CN 201310002037 A CN201310002037 A CN 201310002037A CN 103192155 B CN103192155 B CN 103192155B
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- water jacket
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- inside groove
- solder bath
- detecting electrode
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Abstract
The present invention provides a kind of solder bath, and this solder bath can detect solder leakage in the solder bath of the duplex being made up of inside groove and water jacket, additionally it is possible to makes the supporting of solder bath become firm.This solder bath includes: the inside groove of electroconductive member, and it is used for receiving fusion welding；The water jacket of electroconductive member, it keeps inside groove in the way of having specified gap between above-mentioned inside groove；And detecting electrode, it is prominent to gap from water jacket, and with water jacket electric insulation.The conducting between at least one and detecting electrode in detection inside groove and water jacket.Additionally, inside groove and water jacket are fixed by metal component.
Description
Technical field
The present invention relates to a kind of solder bath.
Background technology
The soldering of printed circuit board (PCB) is widely used in and is accommodated with on the solder bath of melted solder immersion printing electricity
The flow brazing of the mode of road plate.But, during persistently using, the corrosion that solder is caused can be produced in solder bath.Closely
Year, in the case of advancing universal lead-free solder, compared with conventional tin-lead eutectic solder, exist not based on a variety of causes
The problem that the solder bath of rust steel is susceptible to corrosion.So take postpone corrosion generation period, slow down corrosion carry out speed
The countermeasure of degree.But, also do not find the countermeasure of essence.
Cause the situation that solder flows out to outside in order to prevent solder bath to be corroded, use and there are the double of inside groove and water jacket
The solder bath that reconstruct is made.In this solder bath, in order to detect the leakage of solder, present applicant has proposed described in patent documentation 1
Solder leak detecting device.Solder bath described in patent documentation 1 have for fusion welding storage electric conductivity interior groove and
The external slot of the electric conductivity in the outside of interior groove it is arranged in the way of separating predetermined distance.Join between interior groove and external slot
Put and form predetermined distance and there is the electric insulation body of electrical insulating property.And it is provided for detecting between interior groove and external slot
The Leak Detection portion of the situation that electric conductivity changes because of the solder of leakage.
Patent documentation 1: Japanese Unexamined Patent Publication 2010-99676 publication
In patent documentation 1, detected inside groove and water jacket because of leakage solder and the situation of short circuit.Thus, at inside groove
In the case of being formed by the metal material with electric conductivity with water jacket, need to utilize insulating component to make inside groove and water jacket between the two
Insulation.If using less expensive glass fibre as insulating component, then the inside groove being difficult to reach weight hundreds of kilogram is firm
Be supported on water jacket, thus the problem that existence and stability is bad.On the other hand, as long as using insulator, pottery etc. firm absolutely
Edge component, it becomes possible to support inside groove more stablely.But, insulator, pottery etc. are reluctant materials, there is also cost
Higher problem.
Summary of the invention
Thus, it is an object of the invention to provide a kind of leakage that can detect solder and inside groove can be supported securely
Solder bath in water jacket.
In order to solve the problems referred to above, the solder bath of first embodiment of the present invention includes:
The inside groove of electroconductive member, it is used for receiving fusion welding；
The water jacket of electroconductive member, it keeps inside groove in the way of having specified gap between above-mentioned inside groove；And
Detecting electrode, it is prominent to gap from water jacket, and with water jacket electric insulation；
The conducting between at least one and detecting electrode in detection inside groove and water jacket.
Preferably, on the basis of first embodiment of the present invention, inside groove and water jacket enter by metal component
Row is fixing.
According to the present invention, owing to utilizing the conducting between at least one in inside groove and water jacket and detecting electrode to detect weldering
Material leakage, it is thus possible to utilize hardware that interior grain is supported on water jacket.
Accompanying drawing explanation
Fig. 1 is the schematic cross-section of solder bath based on the present invention.
Fig. 2 is the sectional view of solder bath main body based on the present invention.
Fig. 3 is the part of the fixing component being fixed inside groove and the water jacket of solder bath based on the present invention for explanation
Assemble figure.
Fig. 4 is the amplification view of an example of the detecting electrode of solder bath based on the present invention.
Fig. 5 is the substantially layout of the test section for solder bath based on the present invention is described.
Detailed description of the invention
Embodiments described below is the preferred concrete example of the present invention, with in the preferred various limits of technical elements
Fixed.But, in the following description, as long as no recording the purport limiting the present invention especially, the scope of the present invention does not the most limit
Due to these embodiments.
The structure of solder bath
An embodiment of the invention is illustrated.Fig. 1 is to have weldering based on an embodiment of the invention
The schematic cross-section of the brazing device 1 of hopper.Brazing device 1 has solder bath 2, substrate delivery section (not shown), throw-in type add
Hot device (omitting in FIG), pump 3 and test section 4.
Solder bath 2 has inside groove 11 and the duplex of water jacket 16.Inside groove 11 is accommodated with fusion welding 5.Fusion welding 5 quilt
Receive the adjacent upper part to inside groove 11, it is shown that have fusion welding liquid level 5a.
Pipeline 12, jet flow pipeline 13 and jet blower 14 it is provided with in the inside of inside groove 11.Pipeline 12, jet flow pipeline 13 and
Jet blower 14 connects and forms Construction integration.This Construction integration is to be through to fusion welding liquid level 5a near the bottom surface of inside groove 11
The stream of neighbouring fusion welding 5.This Construction integration is shaped generally as the shape of L font when laterally observing.Pipeline 12 along
The direction parallel with fusion welding liquid level 5a extends.Pipeline 12 has perforate 12a in bottom surface.Jet flow pipeline 13 along with pipeline 12
Vertical direction extends.What the direction vertical with this jet flow pipeline 13 on the edge of jet flow pipeline 13 extended is arranged over jet blower
14。
Pump 3 for making fusion welding 5 produce flowing has not shown motor, axle 31 and impeller 32.Impeller 32 is joined
Put in pipeline 12.Being rotated through axle 31 and be transferred to impeller 32 and be converted to kinetic energy when fusion welding 5 flows of motor.When
When impeller 32 rotates, producing the flowing Fl of the fusion welding shown in arrow in figure, fusion welding 5 is from the perforate 12a quilt of pipeline 12
It is directed in pipeline 12.The fusion welding 5 being directed in pipeline 12 formed fusion welding flowing F2 and along pipeline 12 to
Horizontal direction is advanced.The fusion welding 5 forming the flowing F3 of the fusion welding in vertical by jet flow pipeline 13 enters one
Step forms the flowing F4 of fusion welding, sprays from jet blower 14.The fusion welding 5 being ejected forms jet flow solder liquid level 5b.
Contacted with the fusion welding 5 being ejected by workpiece (substrate) W of not shown substrate delivery section conveying, thus carry out soldering.
Afterwards, fusion welding 5 forms flowing F5 and F6 of fusion welding and the outside to jet flow pipeline 13 flows down, and accumulates at inside groove 11
In.
Formed by hardware for receiving the inside groove 11 of fusion welding 5.Inside groove 11 is in the way of having specified gap 15
It is held in water jacket 16 by the fixing component (omitting diagram) as hardware.Inside groove 11 is by the good metal of corrosion resistance, example
As titanium is constituted.Water jacket 16 is made up of metal, such as rustless steel.In addition it is also possible to the metal utilizing the corrosion resistance of titanium etc. high enters
The surface of row groove processes.Discharge portion (omitting diagram) is set at inside groove 11 such that it is able to extract the fusion welding 5 of inside groove 11 out.?
Gap 15 can be filled the heat-barrier material with electrical insulating property.In water jacket 16, be at least provided with 1 position for detection from
The test section 4 of the fusion welding 5 that inside groove 11 spills.Test section 4 takes the circumstances into consideration to be arranged on multiple position.Impeller 32 is preferably set,
And be susceptible near the part of saprophage arrange test section 4 at inside grooves 11 such as the positions of flows faster of fusion welding 5.Detection
Narration in detail after portion 4.
Fig. 2 is illustrated based on the cross section of the solder bath 2 of an embodiment of the invention.Additionally, Fig. 2 be by solder bath 2 from
The cross section of Fig. 1 90-degree rotation in the horizontal direction and the cross section that obtains.The water jacket 16 of solder bath 2 is covered week by side plate 17 further
Enclose.Between water jacket 16 and side plate 17, embed heat-barrier material 18, improve the heat insulating ability of fusion welding 5.
Heater 19 it is provided with near the bottom surface of inside groove 11.This heater 19 is so-called throw-in type heater.Heater
19 become and enclose via insulating powder (MgO: magnesium oxide, magnesia etc.) in the inside of the metal tube material such as titanium, rustless steel
The structure of heating wire (nichrome wire etc.).Owing to the temperature of fusion welding 5 increases, the therefore vicinity of the surrounding of heater 19
Inside groove 11 is the position easily producing saprophage.Thus, also take the circumstances into consideration to arrange test section 4 near heater 19.
Fixing component
It is provided with fixing component 20 between the upside of the downside of the bottom surface of inside groove 11 and the bottom surface of water jacket 16.Fixing component 20
For metal system.Utilize fixing component 20 that inside groove 11 and water jacket 16 are fixed and support solder bath 2 securely.
As it is shown on figure 3, the inside groove 11 of brazing device 1 is fixed on water jacket 16 by fixing component 20.Set in the bottom surface of inside groove 11
The leg 21 that the oriented direction relative with water jacket 16 is prominent.Leg 21 is fixed with inside groove 11 by such as welding.At leg 21
It is threaded cave 22 from the direction of the lateral inside groove 11 of water jacket 16.In water jacket 16, it is provided with opening 23 accordingly with screw thread cave 22.
And, inside groove 11 engages by metal bolt 24 with water jacket 16.Bolt 24 runs through the opening 23 of water jacket 16 and enters inside groove
The screw thread cave 22 of 11, fastens fixing inside groove 11 and water jacket 16 and then fixing.This fixing component 20 is arranged on solder bath 2
Multiple positions of bottom surface.
By using metal system to fix component 20 such that it is able to inside groove 11 is fixedly supported on water jacket 16.Inside groove 11 needs
High temperature to be supported and heavier fusion welding 5.And, by using hardware in all fixing components 20, exhausted with using
Edge, the situation such as ceramic compare, it is possible to reduce the cost of fixing component 20.
Test section
Then, test section 4 is described in detail with reference to Fig. 4 and Fig. 5.Test section 4 has the inspection of the part being arranged at water jacket 16
Survey device and be connected to the circuit part of detector.
The detector of test section 4 has boss 40, insulating sleeve 41, test bar 42 and terminal 43.The end at water jacket 16
Face is to be provided with boss 40 in the way of the direction of contrary with gap 15 (below vertical) is prominent.Boss 40 is metal system.Boss 40
Fix with water jacket 16 by such as welding.Boss 40 is formed the hole run through along vertical.Shape is cut in this hole
Become to have ridge.
Insulating sleeve 41 is screwed into and then is embedded in the hole that cutting is formed with the boss 40 of ridge from downside.Insulating sleeve 41
Use electric insulation component (non-conductor).The top end face being screwed into of insulating sleeve 41 is formed as gap 15 side surface with water jacket 16
Roughly the same height.For insulating sleeve 41, as it has been described above, its tip side has the diameter of the hole tabling with boss 40,
Its base portion side has bigger diameter on the other hand.That is, when laterally observing insulating sleeve 41, its form is in the substantially font of falling T.
Based on this form, when insulating sleeve 41 is screwed into the hole of boss 40, its base portion becomes stop part.In insulating sleeve 41 also
It is formed with the hole run through along vertical.In this hole, also cutting is formed with ridge.
It is screwed into as the test bar 42 of detecting electrode from downside and then is embedded in cutting and be formed with the insulating sleeve of ridge
The hole of 41.Test bar 42 uses electric conductor (conductor).The top end face being screwed into of test bar 42 is formed as than insulating sleeve 41
Top end face (inner surface of water jacket 16) is more prominent.The width making gap 15 between inside groove 11 and water jacket 16 is the narrowest.Preferably
, the width in gap 15 is about 10mm.Test bar 42 and water jacket 16 and inside groove 11 electric insulation.Test bar 42 is preferably used example
Such as metal bolt.Though at this exemplified with being screwed into the form of bolt, can also use the most do not cut formation screw thread and
Use the such mode of locking pin etc. of conductor.
Terminal 43 is connected to test bar 42.Terminal 43 uses such as crimp type terminal.Terminal 43 shown in the drawings is the most not
It is connected to the state of test bar 42.The top of terminal 43 is locked in from this state between head and the threaded portion of test bar 42.
The component of the detector of the test section 4 being arranged such is fitted together to each other, thus blocks the thing between gap 15 and outside
The movement of matter.Additionally, test section 4 can also be arranged in gap 15, multiple positions of the bottom surface of such as water jacket 16.And, if
Remove test bar 42, the then the gap 15 Kong Eryu ft connection by insulating sleeve 41.Can also be taken out to outside by this hole
Solder in gap 15.
Then, with reference to Fig. 5, circuit side structure is described.The circuit of test section 4 have switch 44, electric wire 45,47,49, direct current
Power supply 46 and lamp 48.The electric wire extended from above-mentioned terminal 43 is connected to switch one end of 44.The other end of switch 44 is by electricity
Line 45 and be connected to power supply 46.The other end of power supply 46 is connected to lamp 48 by electric wire 47.The other end of lamp 48 is by electric wire
49 and be connected to water jacket 16.Additionally, the connection endpoint of electric wire 49 can be inside groove 11.In an embodiment of the invention,
Combine, even if thus connection endpoint being set to inside groove owing to utilizing the fixing component 20 of electric conductivity to make between inside groove 11 and water jacket 16
11 and water jacket 16 in one, substantially also ensure that and the connection of both inside groove 11 and water jacket 16.Utilizing in this way
When the circuit connected detects solder leakage, switch 44 is set to off state.
In said structure, when producing solder leakage, inside groove 11 or water jacket 16 and test bar 42 are because of the solder of leakage
Short circuit, current direction lamp 48.Thus, lamp 48 is informed detecting to light when solder leaks.Lamp 48 use such as LED,
Little bulb.Inform as solder leakage, however it is not limited to illustration utilize what light carried out to inform, it is also possible to utilize buzzer, raise one's voice
The sound such as device are informed.Alternatively, it is also possible to according to the difference of purposes by employ transistor, amplifier etc. increasing circuitry,
Comparison circuit is assembled in circuit.
Variation
Though specifically illustrating embodiments of the present invention above, but it is not limited to each embodiment above-mentioned, it is possible to
Carry out the various deformation of technology purport based on the present invention.For example, it is possible to by making the bottom of water jacket 16 incline in the height direction
Tiltedly and at the downside tilted detector is set to improve detection sensitivity.The structure enumerated in the above-described embodiment, method, work
The only example such as sequence, shape, material and numerical value, can use as required be different from structure, method, operation,
Shape, material and numerical value etc..
It addition, the structure of above-mentioned embodiment, method, operation, shape, material and numerical value etc. are without departing from the present invention
Purport under conditions of can be combined with each other.
Description of reference numerals
1 brazing device；2 solder baths；4 test sections；5 fusion weldings；11 inside grooves；15 gaps；16 water jackets；19 heaters；20
Fixing component；40 boss；41 insulating sleeves；42 test bars；43 terminals；48 lamps；W workpiece.
Claims (4)
1. a solder bath, it is characterised in that
This solder bath includes:
The inside groove of electroconductive member, it is used for receiving fusion welding；
The water jacket of electroconductive member, it keeps above-mentioned inside groove in the way of having specified gap between above-mentioned inside groove；And
Detecting electrode, it is prominent to above-mentioned gap from above-mentioned water jacket, and with above-mentioned water jacket electric insulation；
Detect the conducting between at least one in above-mentioned inside groove and above-mentioned water jacket and above-mentioned detecting electrode,
Above-mentioned inside groove and above-mentioned water jacket are fixed by metal component.
Solder bath the most according to claim 1, wherein,
Arrange and make the insulating component of electric insulation between above-mentioned detecting electrode and above-mentioned water jacket,
The height of above-mentioned insulating component is formed as the height roughly the same with the inner surface of above-mentioned water jacket.
Solder bath the most according to claim 1, wherein,
The bottom of above-mentioned water jacket tilts in the height direction, and above-mentioned detecting electrode is arranged on the downside of above-mentioned water jacket.
Solder bath the most according to claim 1, wherein,
Arrange and make the insulating component of electric insulation between above-mentioned detecting electrode and above-mentioned water jacket,
Above-mentioned detecting electrode inserts freely relative to above-mentioned insulating component, departs from,
Above-mentioned gap is made to open via the hole obtained after the disengaging of above-mentioned detecting electrode.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2012001384A JP5941282B2 (en) | 2012-01-06 | 2012-01-06 | Solder bath |
| JP2012-001384 | 2012-01-06 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103192155A CN103192155A (en) | 2013-07-10 |
| CN103192155B true CN103192155B (en) | 2016-12-28 |
Family
ID=48715070
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310002037.3A Active CN103192155B (en) | 2012-01-06 | 2013-01-04 | Solder bath |
| CN 201320002714 Expired - Fee Related CN203104977U (en) | 2012-01-06 | 2013-01-04 | Solder tank |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320002714 Expired - Fee Related CN203104977U (en) | 2012-01-06 | 2013-01-04 | Solder tank |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP5941282B2 (en) |
| CN (2) | CN103192155B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5941282B2 (en) * | 2012-01-06 | 2016-06-29 | 株式会社タムラ製作所 | Solder bath |
| CN109759661A (en) * | 2018-12-29 | 2019-05-17 | 京信通信技术(广州)有限公司 | Welding method for communication device assembly |
| CN113097828A (en) * | 2021-04-01 | 2021-07-09 | 南昌黑鲨科技有限公司 | Solder coating device and method |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002043732A (en) * | 2000-07-24 | 2002-02-08 | Senju Metal Ind Co Ltd | Solder bath for jet soldering |
| JP2006136946A (en) * | 2004-09-21 | 2006-06-01 | Mitsuo Ebisawa | Soldering apparatus, manufacturing method thereof and soldering method using the apparatus |
| JP2010099676A (en) * | 2008-10-22 | 2010-05-06 | Tamura Seisakusho Co Ltd | Soldering vessel with function for detection of solder leakage |
| CN101767239A (en) * | 2008-12-27 | 2010-07-07 | 千住金属工业株式会社 | Solder bath and method of heating solder contained in a solder bath |
| CN102301841A (en) * | 2009-01-27 | 2011-12-28 | 千住金属工业株式会社 | Jet solder bath |
| CN203104977U (en) * | 2012-01-06 | 2013-07-31 | 株式会社田村制作所 | Solder tank |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS54113484U (en) * | 1978-01-24 | 1979-08-09 | ||
| JPS55106576U (en) * | 1979-01-20 | 1980-07-25 | ||
| JPS5747578A (en) * | 1980-09-03 | 1982-03-18 | Hitachi Ltd | Heat insulating material filled type soldering vessel |
| JPS57114100A (en) * | 1981-01-07 | 1982-07-15 | Hitachi Ltd | Metal covering type heat insulation structure |
| JPS61133261U (en) * | 1984-09-27 | 1986-08-20 |
-
2012
- 2012-01-06 JP JP2012001384A patent/JP5941282B2/en active Active
-
2013
- 2013-01-04 CN CN201310002037.3A patent/CN103192155B/en active Active
- 2013-01-04 CN CN 201320002714 patent/CN203104977U/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002043732A (en) * | 2000-07-24 | 2002-02-08 | Senju Metal Ind Co Ltd | Solder bath for jet soldering |
| JP2006136946A (en) * | 2004-09-21 | 2006-06-01 | Mitsuo Ebisawa | Soldering apparatus, manufacturing method thereof and soldering method using the apparatus |
| JP2010099676A (en) * | 2008-10-22 | 2010-05-06 | Tamura Seisakusho Co Ltd | Soldering vessel with function for detection of solder leakage |
| CN101767239A (en) * | 2008-12-27 | 2010-07-07 | 千住金属工业株式会社 | Solder bath and method of heating solder contained in a solder bath |
| CN102301841A (en) * | 2009-01-27 | 2011-12-28 | 千住金属工业株式会社 | Jet solder bath |
| CN203104977U (en) * | 2012-01-06 | 2013-07-31 | 株式会社田村制作所 | Solder tank |
Also Published As
| Publication number | Publication date |
|---|---|
| JP5941282B2 (en) | 2016-06-29 |
| CN203104977U (en) | 2013-07-31 |
| CN103192155A (en) | 2013-07-10 |
| JP2013141668A (en) | 2013-07-22 |
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