WO2005035176A1 - 噴流半田槽 - Google Patents
噴流半田槽 Download PDFInfo
- Publication number
- WO2005035176A1 WO2005035176A1 PCT/JP2004/014936 JP2004014936W WO2005035176A1 WO 2005035176 A1 WO2005035176 A1 WO 2005035176A1 JP 2004014936 W JP2004014936 W JP 2004014936W WO 2005035176 A1 WO2005035176 A1 WO 2005035176A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- solder
- jet
- solder bath
- inlet
- casing
- Prior art date
Links
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
- B23K3/06—Solder feeding devices; Solder melting pans
- B23K3/0646—Solder baths
- B23K3/0653—Solder baths with wave generating means, e.g. nozzles, jets, fountains
-
- 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
-
- 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
Definitions
- the present invention relates to a jet solder bath provided with a pump that sends molten solder in a solder bath by force to a nozzle.
- a pump is provided in the solder bath, and a fan constituting the pump rotates to take in molten solder from the suction portion, and solder toward the nozzle provided in the upper portion.
- the one that sends in is known.
- the pump By controlling the pump in this way, the molten solder is jetted by the nozzle force, and the electronic components are passed through it to perform soldering.
- FIG. 1 is a schematic plan view of a conventional jet solder bath disclosed in Japanese Patent Laid-Open No. 2003-136233.
- a solder feed chamber 94 provided in the solder bath 90 is A casing 92 is provided, which is provided with a multiblade fan 91 (eg sirocco fan).
- the solder feeding chamber 94 communicates with a nozzle 93 for jetting molten solder.
- the range of about 1Z4 of the entire circumference of the casing 92 is used as an opening, and molten solder is fed into the solder feeding chamber 94 from the opening.
- the feed direction is the tangential direction of point A, which is the outermost part of the opening, and there is a large difference in feed speed between the vicinity of point A and the point B, which is the innermost part of the opening.
- a rectifying plate (not shown) is provided in the duct 94 leading to the casing 92.
- the present inventors have focused on solving such a new problem by improving the solder bath itself.
- the above-described pump is inefficient because molten solder can be fed only from the 1Z4 region of the entire circumference of the fan. Also, if there is a baffle plate, acid dross will adhere to that part, Therefore, the solder is agglomerated and coarsened, and the force is also released, so the nozzle force flows out of the solder. In addition, it was difficult to completely suppress waves even with the current plate.
- the specific problem to be solved by the present invention is that the efficiency of sending out the molten solder is good.
- the nozzle force can be eliminated and the wave of the solder flowing out can be eliminated. It is an object of the present invention to provide a molten solder bath that can be prevented from being mixed into the solder.
- an object of the present invention is to provide a molten solder tank capable of smoothly feeding molten solder to a solder feeding chamber and pressurizing the solder feeding chamber without any turbulent flow.
- the present invention comprises a solder bath main body for containing molten solder, and a solder feed chamber installed in the solder bath main body, the solder feed chamber having an inlet and an outlet, and the inlet is a solder bath main body.
- the jet solder bath is disposed below the solder liquid level, and the outlet protrudes from the solder liquid level.
- the solder tank main body is provided with a multi-thread screw pump, and the molten solder is pushed into the solder feeding chamber through the inlet and discharged from the outlet.
- the multi-thread screw pump also has a rotating blade force including a rotating shaft and a plurality of spiral blades attached at equal intervals on the periphery of the rotating shaft. .
- the spiral blades surround the entire circumference of the rotary shaft with the mutual spiral blades.
- the rotating shaft may be cylindrical or a solid shaft.
- the screw is rotated in the casing, so that the molten solder is fed along the penetration direction of the casing without flowing out of the screw, As a result, pressure can be applied efficiently and uniformly in the solder feed chamber.
- the solder is fed by directing the bottom of the tank by rotation of the screw, that is, when the bottom is horizontal, the molten solder is reflected and rises directly below the screw, but when viewed in the axial direction Since all the spiral blades surround the entire circumference of the rotating shaft, the solder cannot pass straight through the screw, and therefore the solder prevents directing of the force to the upper side of the screw.
- the pressure can be increased uniformly without turbulent flow.
- the spiral blades surround the entire circumference of the rotating shaft with each other's spiral blade” means, for example, that two spiral blades and each spiral blade are spaced 180 degrees apart. If the spiral blades are arranged at, the spiral blades must be rotated 180 degrees or more along the outer periphery of the rotating shaft. Means. In the case where three spiral blades are arranged at 120-degree intervals between the spiral blade forces, this means that the spiral blades are provided to be rotated 120 degrees or more along the outer periphery of the rotating shaft. The same applies when there are four or more spiral blades. Therefore, if the rotating shaft has N spiral blades around it at 360 / N degree intervals, each spiral blade will rotate around the rotating shaft at least between its first and last ends. It is rotated by 360 / N degrees.
- FIG. 1 is a schematic plan view of a conventional jet solder bath.
- FIG. 2 (a) is a front sectional view showing a solder bath of the present invention
- FIG. 2 (b) is a side sectional view.
- FIG. 3 is a perspective view of the solder tank pump shown in FIGS. 2 (a) and 2 (b).
- FIG. 4 (a) is a plan view of the rotating shaft of the pump of FIG. 3, and FIG. 4 (b) is a front view thereof.
- FIG. 5 is a front sectional view showing another example of the solder bath of the present invention.
- FIG. 6 (a) is a bottom view of the pump used in the present invention
- FIG. 6 (b) is a bottom view of the pump of the comparative example viewed from directly below.
- FIG. 7 is a front view showing still another embodiment of the pump used in the present invention.
- the jet solder bath that is useful in the present invention is composed of a solder bath main body 1 that opens upward and a solder feed chamber 2 provided in the solder bath body.
- the solder feed chamber 2 has an inlet 3 below the liquid level L, an outlet 4 above the liquid level, and a pump 5 attached to the inlet 3.
- the solder feed chamber 2 has a specific structure in which the inside of the solder bath body 1 is divided vertically by a partition 6 below the liquid level L, and an inlet 3 is opened in the partition 6 and an outlet 4 Open a hole 7 in the direction different from that of the inlet 3, and fix the duct 8 upright in the hole 7. Fix the lid 9 with a narrowed diameter at the upper end of the duct 8. Nozzle 11 is attached to 10 upright above the liquid level L. Nozzle 11 has an open top and constitutes outlet 4, The molten solder can be discharged.
- the solder feeding chamber 2 may be separately configured at the bottom of the solder bath body 1, but considering the buoyancy from the molten solder, the solder feeding chamber 2 should be configured with a partition plate as described above. Is convenient and preferred.
- the pump 5 used in the present invention is formed in a round hole shape that vertically penetrates the internal space 13 of the casing 12 as shown in detail in FIGS. 3 and 4 (a) and 4 (b).
- the screw 14 is accommodated in the internal space 13, and the screw 14 is rotatably provided with the center of the round hole as the axial direction.
- a force provided with four screws 14 is used.
- a plurality of screws, preferably four or more screws are used.
- the length of the casing 12 only needs to be able to surround the screw 14 over its entire height.
- the length of the casing 12 may be the same as the total height of the screw 14 or may be slightly shorter than the total height of the screw 14.
- the screw 14 is configured so that the tip of the screw 14 protrudes 5 to 10 mm from the casing.
- the rotation mechanism of the screw 14 transmits the rotation of the motor 15 to the drive shaft 18 through the gears 16 and 17 as well, and the drive shaft 18 supported by the bearing 19
- the screw 14 is fixed to the lower end.
- the drive mechanism including the motor 15 and the gears 16 and 17 may be supported by the solder bath body 1 or the partition 6 by a support (not shown).
- the screw 14 includes a cylindrical rotary shaft 20 and a plurality of spiral blades 21 (4 in the illustrated example) attached around the rotary shaft 20 at equal intervals. Sheet).
- the upper and lower end surfaces of the spiral blade 21 are formed horizontally in accordance with the upper and lower end surfaces of the rotary shaft 20.
- Each spiral blade 21 goes from one end of the rotating shaft 20 to the other while rotating along the circumferential direction of the rotating shaft 20.
- the rotational angle at this time that is, the angle when the angle from the center of the rotating shaft 20 to the end of the first end force of each spiral blade is viewed from the center of the rotating shaft 20 is adjacent to the spiral blade 21 in the circumferential direction of the screw 14. It overlaps with the spiral blade 21.
- the rotation angle is preferably 90 degrees or more, preferably 120 degrees or more, and ideally 180 degrees or more. In the example of Fig. 4 (a), the rotation angle is 210 degrees.
- the oblique angle oc becomes easier to apply pressure to the molten solder in the solder feed chamber 2 as the inclination angle from the plane orthogonal to the rotational axis of the screw 14, for example, the horizontal plane, becomes smaller. It is desirable that the inclination angle be less than or equal to degrees.
- the screw 14 may be fixed to the drive shaft 18 by appropriate means, in the illustrated examples of FIGS. 2 (a) and 2 (b), the cylindrical rotary shaft 20 (see FIG. 3) is used as the drive shaft.
- the rotary shaft 20 is It is a structure to sandwich.
- FIG. 1 Another example of the jet solder bath of the present invention is shown in FIG.
- the same members as those in Figs. 2 (a) and 2 (b) are denoted by the same reference numerals.
- a saucer-shaped guide 25 that smoothly feeds solder from the inlet 3 toward the outlet 4 is fixed to the lower side of the partition 6. Since the guide 25 has arcuate surfaces 26 and 27 directly below the inlet 3 and the hole 7 of the partition 6, the molten solder sent from the pump 5 hits the arcuate surface 26 and is guided in the horizontal direction after proceeding directly below. Then, it again hits another circular arc surface 27 and is led right above. By doing so, the efficiency of sending the molten solder to the solder feeding chamber 2 is improved.
- the other structure of this aspect is the same as that of the above-mentioned aspect.
- the pump 5 when the pump 5 is driven, the molten solder in the solder bath main body 1 is taken in from the upper end of the casing 12, and the interstitial force of the four spiral blades 21 is also increased in the casing 12. It is fed into the lower end, that is, the solder feeding chamber 2. As the screw 14 rotates, the position where the solder is sent out rotates, so that the solder is sent out evenly from the entire circumference except for the area directly under the rotary shaft 20. The pressure applied in the feed chamber 2 is the same at any position.
- the height of the molten solder at the outlet 4 can be adjusted by controlling the rotational speed of the screw 14.
- FIG. 6 (a) and FIG. 6 (b) show a pump 5 used in the present invention, that is, a pump 5 using a screw 14 of a plurality of spiral blades 21, and a pump 95 as a comparative example, that is, one sheet.
- FIG. 6 is a bottom view showing pumps 95 each using the screw 14 of the spiral blade 21.
- Fig. 6 (b) The force in the vicinity of the lower end surface 28 of the spiral blade 21 is considered to be the most effective, so that it is considered that the solder is sent most efficiently. In the case of the pump 95, it is considered that the location where the molten solder is sent is one location.
- the solder sending portion slowly rotates 360 degrees, and it can be said that the solder is sent in a waved state.
- the strength of the screw itself must be significantly increased to prevent breakage, and as much solder is sent as it meets the rotation, fine adjustment of the height adjustment of the solder jetted from the outlet It will be difficult.
- FIG. 7 further explains the relation between the pump and the casing used in the present invention in a further preferred embodiment, and the protruding amount T of the screw 14 having 12 forces is preferably 5 to 10 mm.
- the molten solder can be pushed into the solder feeding chamber more uniformly.
- the clearance C between the casing 12 and the screw 14 accommodated therein is preferably 0.1-1 mm, so that homogeneous molten solder can be delivered without causing pulsation or the like.
- the inlet force of the solder feed chamber is also the force of the entire area of the bottom surface of the screw excluding the region directly below the rotating shaft of the screw pump. Therefore, it is more efficient to send out solder than a jet solder bath that uses a conventional pump that does not send out the molten solder from the 1Z4 area of the entire circumference.
- the molten solder is sent out evenly over the bottom surface of the screw, no turbulent flow is seen, and the pressure applied to the solder feed chamber is the same at any position, eliminating the need for a rectifying plate and the outlet force of the nozzle. There is almost no wave in the flow of molten solder flowing out through
- the solder that also flows out the outlet force is not mixed with acid dross and is clean.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Molten Solder (AREA)
- Electric Connection Of Electric Components To Printed Circuits (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
- Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Structures Or Materials For Encapsulating Or Coating Semiconductor Devices Or Solid State Devices (AREA)
Abstract
Description
Claims
Priority Applications (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE602004027279T DE602004027279D1 (de) | 2003-10-10 | 2004-10-08 | Strahllotbehältnis |
US10/573,449 US8215534B2 (en) | 2003-10-10 | 2004-10-08 | Wave soldering tank |
AT04792205T ATE468194T1 (de) | 2003-10-10 | 2004-10-08 | Strahllotbehältnis |
MXPA06003903A MXPA06003903A (es) | 2003-10-10 | 2004-10-08 | Tanque de soldadura por onda. |
PL04792205T PL1676662T3 (pl) | 2003-10-10 | 2004-10-08 | Dyszowy zbiornik dla lutowia |
EP04792205A EP1676662B1 (en) | 2003-10-10 | 2004-10-08 | Jet solder vessel |
US13/527,532 US9956633B2 (en) | 2003-10-10 | 2012-06-19 | Wave soldering tank |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2003352160A JP4136887B2 (ja) | 2003-06-17 | 2003-10-10 | 半田槽用ポンプ及びそれを使用する半田槽 |
JP2003-352160 | 2003-10-10 |
Related Child Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US10/573,449 A-371-Of-International US8215534B2 (en) | 2003-10-10 | 2004-10-08 | Wave soldering tank |
US13/527,532 Continuation US9956633B2 (en) | 2003-10-10 | 2012-06-19 | Wave soldering tank |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2005035176A1 true WO2005035176A1 (ja) | 2005-04-21 |
Family
ID=34431101
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2004/014936 WO2005035176A1 (ja) | 2003-10-10 | 2004-10-08 | 噴流半田槽 |
Country Status (12)
Country | Link |
---|---|
US (2) | US8215534B2 (ja) |
EP (1) | EP1676662B1 (ja) |
KR (1) | KR100820621B1 (ja) |
CN (1) | CN100503118C (ja) |
AT (1) | ATE468194T1 (ja) |
DE (1) | DE602004027279D1 (ja) |
ES (1) | ES2346061T3 (ja) |
MX (1) | MXPA06003903A (ja) |
MY (1) | MY137398A (ja) |
PL (1) | PL1676662T3 (ja) |
TW (1) | TWI364341B (ja) |
WO (1) | WO2005035176A1 (ja) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7959055B2 (en) * | 2006-04-05 | 2011-06-14 | Senju Metal Industry Co., Ltd. | Wave soldering tank |
WO2013161453A1 (ja) * | 2012-04-27 | 2013-10-31 | 千住金属工業株式会社 | 偏流板及び噴流装置 |
CN113941749A (zh) * | 2021-11-29 | 2022-01-18 | 珠海飞创智能科技有限公司 | 一种用于波峰焊的液态锡供给设备 |
Families Citing this family (9)
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---|---|---|---|---|
CN101112139B (zh) * | 2005-02-07 | 2012-01-25 | 千住金属工业株式会社 | 喷流焊料槽 |
PL2012570T3 (pl) * | 2006-04-26 | 2012-03-30 | Senju Metal Industry Co | Zbiornik do lutowania w strumieniu |
JP4375491B1 (ja) * | 2008-06-23 | 2009-12-02 | 日本ジョイント株式会社 | 電子部品のはんだ付け装置およびはんだ付け方法 |
US8403199B2 (en) * | 2009-03-24 | 2013-03-26 | Senju Metal Industry Co., Ltd. | Localized jet soldering device and partial jet soldering method |
US8764399B1 (en) * | 2010-05-03 | 2014-07-01 | Robert W Linscott | Spiral plane drag turbine |
CN104339063B (zh) * | 2013-07-23 | 2016-06-29 | 深圳市堃琦鑫华股份有限公司 | 一种喷流焊焊炉 |
CN107243201B (zh) * | 2017-07-13 | 2023-07-11 | 蔡志文 | 空气净化模组和空气净化器 |
KR102126822B1 (ko) * | 2019-01-03 | 2020-06-26 | 왕 에릭 | 변압기 회로 기판의 제조 방법 및 변압기 |
JP6590232B1 (ja) * | 2019-04-22 | 2019-10-16 | 千住金属工業株式会社 | はんだ付け装置及びはんだ付け方法 |
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JPS476024U (ja) * | 1971-02-15 | 1972-09-20 | ||
JPS513632U (ja) * | 1974-06-26 | 1976-01-12 | ||
JPS62259665A (ja) * | 1986-01-20 | 1987-11-12 | Asahi Chem Res Lab Ltd | 溶融半田の噴流方法及び装置 |
JP2003136233A (ja) | 2001-11-02 | 2003-05-14 | Matsushita Electric Ind Co Ltd | 噴流式自動半田付け装置 |
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GB1110892A (en) * | 1965-04-28 | 1968-04-24 | British Aircraft Corp Ltd | Improvements relating to wave soldering |
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2004
- 2004-10-08 TW TW093130814A patent/TWI364341B/zh active
- 2004-10-08 AT AT04792205T patent/ATE468194T1/de not_active IP Right Cessation
- 2004-10-08 US US10/573,449 patent/US8215534B2/en active Active
- 2004-10-08 CN CNB2004800297135A patent/CN100503118C/zh not_active Expired - Lifetime
- 2004-10-08 PL PL04792205T patent/PL1676662T3/pl unknown
- 2004-10-08 ES ES04792205T patent/ES2346061T3/es not_active Expired - Lifetime
- 2004-10-08 MX MXPA06003903A patent/MXPA06003903A/es active IP Right Grant
- 2004-10-08 EP EP04792205A patent/EP1676662B1/en not_active Expired - Lifetime
- 2004-10-08 WO PCT/JP2004/014936 patent/WO2005035176A1/ja active Application Filing
- 2004-10-08 DE DE602004027279T patent/DE602004027279D1/de not_active Expired - Lifetime
- 2004-10-08 KR KR1020067006269A patent/KR100820621B1/ko active IP Right Grant
- 2004-10-11 MY MYPI20044166A patent/MY137398A/en unknown
-
2012
- 2012-06-19 US US13/527,532 patent/US9956633B2/en not_active Expired - Lifetime
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
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JPS476024U (ja) * | 1971-02-15 | 1972-09-20 | ||
JPS513632U (ja) * | 1974-06-26 | 1976-01-12 | ||
JPS62259665A (ja) * | 1986-01-20 | 1987-11-12 | Asahi Chem Res Lab Ltd | 溶融半田の噴流方法及び装置 |
JP2003136233A (ja) | 2001-11-02 | 2003-05-14 | Matsushita Electric Ind Co Ltd | 噴流式自動半田付け装置 |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7959055B2 (en) * | 2006-04-05 | 2011-06-14 | Senju Metal Industry Co., Ltd. | Wave soldering tank |
WO2013161453A1 (ja) * | 2012-04-27 | 2013-10-31 | 千住金属工業株式会社 | 偏流板及び噴流装置 |
JP2013230481A (ja) * | 2012-04-27 | 2013-11-14 | Senju Metal Ind Co Ltd | 偏流板及び噴流装置 |
US9622395B2 (en) | 2012-04-27 | 2017-04-11 | Senju Metal Industry Co., Ltd. | Guide vane and jetting apparatus |
CN113941749A (zh) * | 2021-11-29 | 2022-01-18 | 珠海飞创智能科技有限公司 | 一种用于波峰焊的液态锡供给设备 |
Also Published As
Publication number | Publication date |
---|---|
CN100503118C (zh) | 2009-06-24 |
KR100820621B1 (ko) | 2008-04-08 |
ATE468194T1 (de) | 2010-06-15 |
US9956633B2 (en) | 2018-05-01 |
PL1676662T3 (pl) | 2010-10-29 |
TWI364341B (en) | 2012-05-21 |
EP1676662A1 (en) | 2006-07-05 |
EP1676662A4 (en) | 2008-10-01 |
CN1867417A (zh) | 2006-11-22 |
US20120255987A1 (en) | 2012-10-11 |
ES2346061T3 (es) | 2010-10-08 |
KR20060121892A (ko) | 2006-11-29 |
EP1676662B1 (en) | 2010-05-19 |
US20080093417A1 (en) | 2008-04-24 |
US8215534B2 (en) | 2012-07-10 |
MXPA06003903A (es) | 2006-12-15 |
TW200528224A (en) | 2005-09-01 |
MY137398A (en) | 2009-01-30 |
DE602004027279D1 (de) | 2010-07-01 |
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