WO2010040295A1 - 在线锡渣处理装置及波峰焊接机 - Google Patents

在线锡渣处理装置及波峰焊接机 Download PDF

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Publication number
WO2010040295A1
WO2010040295A1 PCT/CN2009/073329 CN2009073329W WO2010040295A1 WO 2010040295 A1 WO2010040295 A1 WO 2010040295A1 CN 2009073329 W CN2009073329 W CN 2009073329W WO 2010040295 A1 WO2010040295 A1 WO 2010040295A1
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Prior art keywords
dross
online
unit
disposed
solder
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PCT/CN2009/073329
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English (en)
French (fr)
Inventor
严永农
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深圳市堃琦鑫华科技有限公司
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Publication of WO2010040295A1 publication Critical patent/WO2010040295A1/zh

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K3/00Tools, devices, or special appurtenances for soldering, e.g. brazing, or unsoldering, not specially adapted for particular methods
    • B23K3/08Auxiliary devices therefor
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K1/00Soldering, e.g. brazing, or unsoldering
    • B23K1/08Soldering by means of dipping in molten solder
    • B23K1/085Wave soldering

Definitions

  • the invention relates to the technical field of welding equipment, in particular to an online tin slag processing device and a wave soldering machine with the online tin slag processing device.
  • Wave soldering has been widely used, and improvements in wave soldering machines have been ongoing. Wave soldering requires the molten solder to form a peak for soldering. The solder after the peak is formed and then flows down the waterfall and flows back to the solder bath for the next cycle. Since the molten solder is oxidized by contact with air, it forms tin slag, and it is particularly oxidized by air during the process of cascading in a waterfall. There have been some patented technologies that used some methods to suppress the oxidation of solder, but they are more complicated and difficult to promote.
  • the technical problem to be solved by the present invention is to provide an online tin slag processing apparatus capable of automatically performing on-line processing of tin slag generated by a wave soldering machine, and a wave soldering machine equipped with the online slag processing apparatus.
  • the present invention adopts the following technology Program:
  • the online dross processing apparatus includes an agitation unit disposed on the wave soldering machine; the agitation unit includes a stirring shaft disposed in the soldering pool of the wave soldering machine, and a power generator coupled to the stirring shaft to drive the rotation of the agitating shaft.
  • the agitation unit further includes a frame and a transmission box; the frame is disposed in the soldering pool, the agitating shaft is rotatably disposed in the frame, and is dynamically connected to the power generator through the transmission box;
  • the shaft extends into the transmission box; the transmission box is fixedly disposed at one end of the frame, and the first sprocket is disposed in the transmission box, and the first sprocket is set on the stirring shaft;
  • the power generator is an electric motor, A second sprocket is disposed on the main shaft of the motor; the first sprocket is dynamically coupled to the second sprocket through the chain.
  • the agitating shaft includes a first agitating shaft and a second agitating shaft; the transmission case is further provided with a first gear and a second gear that mesh with each other, and the first gear and the first sprocket are installed at the first On a stirring shaft, the second gear is mounted on the second agitating shaft.
  • the online tin slag treatment device further includes: a tin slag reducing agent automatic adding unit that is disposed near the stirring unit and automatically adds a tin slag reducing agent to the solder pool where the stirring unit is located; the tin slag reducing agent automatic adding unit Includes: a container containing a dross reducing agent, and an electronic pump or hydraulic pump.
  • the online dross treatment device further includes a tin slag automatic cleaning device;
  • the tin slag automatic cleaning device includes: a partition plate, a squeegee, and a driving squeegee scraping the dross on the partition plate a squeegee driving unit;
  • the partitioning plate is disposed above the stirring unit, the squeegee is disposed on the partitioning plate, and the squeegee driving unit is dynamically connected to the squeegee.
  • the partition plate is a stainless steel plate, and the stainless steel plate is provided with a plurality of through holes corresponding to the position of the solder pool.
  • the online dross processing device further includes a tin slag collecting unit, and the tin slag collecting unit includes a solder collecting groove having a certain inclination around the peak of the wave soldering machine; An opening is formed on the lower side of the solder collecting trough.
  • the tin slag collection unit further includes an active flow guiding device;
  • the active flow guiding device includes an active guide plate disposed in the solder collecting tank, pushing the solder liquid and the tin slag to the stirring unit, and the active guide plate Guide plate power connection, guide plate driving unit for driving active guide plate movement ⁇
  • a wave soldering machine comprising the online tin slag processing apparatus according to any one of the above aspects.
  • the wave soldering machine further includes a protective cover that covers the periphery of other components of the wave soldering machine.
  • the tin slag can be automatically processed on-line, so that the tin slag and the slag reductant fully react, thereby reducing the generation of dross and saving solder while saving
  • the oxygen content in the solder liquid can be lowered, which contributes to the improvement of the soldering quality.
  • Figure 1 is a schematic illustration of a wave soldering machine in accordance with an embodiment of the present invention.
  • Fig. 2 is a schematic view of a stirring unit in an embodiment of the present invention.
  • Fig. 3 is a schematic view of a wave soldering machine in accordance with an embodiment of the present invention. detailed description
  • Embodiment 1 The wave soldering machine of the present embodiment is shown in Fig. 1.
  • an online tin slag processing apparatus is also included.
  • the online dross treatment unit can process the dross online, reducing the residual dross, saving labor, solder and tin slag reductant, and improving the welding quality.
  • the molten solder in the solder pool 3 is agitated by a pulsator (not shown) to form a large peak 1 and a small peak 2, and then rushed into the solder pool 3 like a waterfall. And this cycle is not limited.
  • the solder liquid is oxidized by air to form dross floating on the surface of the solder bath of the solder bath 3, and may accumulate in a large amount, thereby affecting the normal operation of the wave soldering machine, as well as wasting solder and reducing the soldering quality. Therefore, existing wave soldering machines generally need to manually salvage the tin slag as waste disposal, thereby wasting a lot of solder and human resources.
  • the more advanced method is to manually add tin slag reducing agent in the soldering pool 3 and manually stir it, so that a large amount of tin slag can be reduced, and finally the residual small amount of tin slag is manually removed, thereby improving the welding quality and saving the solder. .
  • the wave soldering machine in the specific embodiment is as shown in FIG. 1, and an online tin slag processing apparatus is installed on the existing wave soldering machine, including: a dross collecting unit 4 installed on one side of the solder bath 3 and another The side agitation unit 5, and a dross reductant automatic addition unit 6 which is located at an appropriate position in the vicinity of the agitation unit 5 and which automatically or periodically adds a dross reducing agent to the agitation unit 5 periodically.
  • the dross collecting unit 4 includes a solder collecting groove 40 having a certain inclination around the large peak 1 and the small peak 2, and the lower side of the solder collecting groove 40 is provided with an opening 41. Since the solder collecting tank 40 has a certain inclination, the solder liquid which is leaked from the large peak 1 and the small peak 2 does not directly flow into the solder pool 3, but is opened from the solder collecting groove 40 side opening 41 together with the generated tin slag. It flows into the solder bath 3 in which the agitation unit 5 is located, and is sufficiently stirred by the dross-reducing agent added to the dross-reducing agent automatic addition unit 6 to sufficiently react, so that most of the dross is reduced.
  • the tin slag can be reduced by 90%. In the end, only the artificial residue will be needed. A small amount of residual tin residue can be removed, so that the solder dregs reducing agent and the solder itself can be saved, and the welding quality can be effectively improved, and the labor cost can be saved.
  • the agitation unit 5 includes: a frame 50, a transmission case 51, a first agitating shaft 52, a second agitating shaft 53, a first gear 54, a second gear 55, a first sprocket 56, a chain 57, and a second sprocket 58. And a motor 59 as a power generator.
  • the frame 50 is fixedly disposed within the solder bath 3.
  • the transmission case 51 is fixedly disposed at one end of the frame 50.
  • the first agitating shaft 52 and the second agitating shaft 53 are rotatably disposed side by side in the frame 50.
  • the first gear 54 meshes with the second gear 55 and is located in the transmission case 51.
  • the first gear 54 is sleeved at one end of the first agitating shaft 52
  • the second gear 55 is sleeved at one end of the second agitating shaft 53.
  • the first sprocket 56 is also disposed at one end of the first agitating shaft 52.
  • the second sprocket 58 is disposed on the main shaft of the motor 59.
  • the first sprocket 56 and the second sprocket 58 are dynamically coupled by the chain 57.
  • the frame 50 is not a closed box, but an open frame as shown in FIG. 2, which allows the solder liquid to be stirred into the frame 50 without being blocked.
  • the frame 50 includes: a first side plate 501 at one end thereof and a second side plate 502 at the other end thereof, and four connecting rods 503 between the first side plate 501 and the second side plate 502, The connecting rod 503 connects the four corners of the first side plate 501 and the second side plate 502 to form an integral frame 50.
  • the first agitating shaft 52 and the second agitating shaft 53 are located in the frame 50 and are rotatably disposed between the first side plate 501 and the second side plate 502.
  • the transmission case 51 is fixedly disposed on the outer surface of the first side plate 501, and the first agitating shaft 52 and the second agitating shaft 53 extend through the first side plate 501 and extend into the transmission case 51.
  • the dross reductant automatic addition unit 6 is disposed at an appropriate position on one side of the agitation unit 5, and includes an electronic pump or a hydraulic pump therein, and a container storing the dross reducing agent.
  • the electronic pump or the hydraulic pump adds a certain amount of dross reducing agent in the container to the soldering pool 3 in which the stirring unit 5 is located, periodically or irregularly.
  • the tin slag reducing agent automatic adding unit 6 in the present embodiment is set to add 100 g of tin slag reducing agent every four hours, and of course, the addition time and the amount of the dross reducing agent can be adjusted according to actual production conditions.
  • the dross collecting unit 4 and the dross reducing agent automatic adding unit 6 may be omitted, and the stirring unit 5 may be directly installed only in the solder pool 3 of the original wave soldering machine.
  • the tin slag floating in the soldering pool 3 is manually collected into the area where the stirring unit 5 is located, and an appropriate amount of tin slag reducing agent is manually added according to the actual situation, and finally the residual tin slag is manually salvaged, which can also produce certain beneficial effects, but only More waste of labor.
  • the wave soldering machine of the present embodiment differs from the first embodiment in that the in-line dross processing apparatus of the wave soldering machine further includes a dross automatic cleaning device 7 and a dross pool 8.
  • the tin slag automatic cleaning device 7 is disposed above the agitating unit 5, and the dross pool 8 is located at one side of the tin slag automatic cleaning device 7.
  • the dross automatic cleaning device 7 includes a partition plate 71, a squeegee 72, and a squeegee driving unit 73.
  • the partition plate 71 adopts a stainless steel plate, and the stainless steel plate is provided with a plurality of through holes corresponding to the position of the stirring unit 5, and the residual tin is much smaller than the solder liquid, so the residual tin The slag floats on the surface of the solder liquid and is supported by the through hole to reach the upper surface of the partition plate 71.
  • the squeegee 72 is located on the upper surface of the partitioning plate 71, and the squeegee driving unit 73 is mechanically coupled to the squeegee 72, and the driving squeegee 72 scrapes the dross on the partitioning plate 71 into the dross pool 8.
  • the tin slag automatic separation and cleaning device 7 By setting the tin slag automatic separation and cleaning device 7, the residual tin slag can be saved without labor, which saves the labor cost; at the same time, the number of times of salvaging the slag is reduced, and the utilization rate of the equipment is saved. A substantial increase. Of course, it is also possible not to provide the dross pool 8 or to replace it with another suitable container.
  • a protective cover can be provided to cover the online tin slag processing device.
  • the sealed environment can reduce the oxygen content and help reduce the dross. The production of the dross reducing agent is reduced, and the workshop environment is further improved, thereby realizing energy saving, emission reduction and consumption reduction in a truly environmentally friendly manner.
  • an active flow guiding device may be further provided, so that the dross can follow The solder liquid smoothly flows to the solder bath 3 on the side where the stirring unit 5 is located.
  • the active flow guiding device includes an active guide and a guide driving unit.
  • the active guide is disposed within the solder collection bath 40.
  • the guide driving unit is dynamically connected to the active guide to drive the active guide to move in the solder collecting trough 40, thereby pushing the dross through the opening 41 to the soldering pool 3 where the stirring unit 5 is located.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Molten Solder (AREA)
  • Electric Connection Of Electric Components To Printed Circuits (AREA)

Description

在线锡渣处理装置及波峰悍接机
技术领域
本发明涉及焊接设备技术领域, 特别涉及一种在线锡渣处理装置及 带有该在线锡渣处理装置的波峰焊接机。 背景技术
波峰焊已经得到了广泛的应用, 而人们对波峰焊接机的改进也一直 在进行着。 波峰焊需要使熔融的焊锡形成波峰, 才能进行焊接。 形成波 峰后的焊锡随后以瀑布状流泻而下, 并流回焊锡池再参与下一次循环。 由于熔融态的焊锡与空气接触而被氧化会形成锡渣, 尤其是以瀑布状流 泻而下的过程中被空气氧化尤为明显。 之前也有一些专利技术采用一些 方法来抑制焊锡的氧化, 但是都比较复杂, 难度较大, 无法推广应用。 现在较为常见的方法是在焊锡池内人工添加锡渣还原剂, 将被氧化的焊 锡进行还原, 可大大减少锡渣的产生, 因而能够提高焊锡的使用率, 从 而节省成本。 但是此中方法存在人工操作, 从而使清理出的锡渣残留物 的含锡量偏高而造成浪费, 而且添加的量也不好控制。 最主要的问题在 于, 锡渣还原剂不能充分反应, 浪费了锡渣还原剂, 同时也使得还原效 率不高, 对焊锡的浪费还是较多。 发明内容
本发明所要解决的技术问题是提供一种能够对波峰焊接机产生的锡 渣自动进行在线处理的在线锡渣处理装置, 及带有该在线锡渣处理装置 的波峰焊接机。
为解决上述在线锡渣还原清理装置的技术问题, 本发明采用如下技 术方案:
在线锡渣处理装置, 包括设置在波峰焊接机上的搅拌单元; 所述搅 拌单元包括设置在波峰焊接机焊锡池内的搅拌轴, 以及与所述搅拌轴动 力连接, 驱动搅拌轴旋转的动力发生器。
进一步地, 所述搅拌单元还包括框架和传动盒; 所述框架设置在焊 锡池内, 所述搅拌轴可转动的设置在框架内, 且通过传动盒与所述动力 发生器动力连接; 所述搅拌轴延伸至传动盒内; 所述传动盒固定设置在 框架的一端, 且传动盒内设有第一链轮, 且所述第一链轮套装在搅拌轴 上; 所述动力发生器为电动机, 电动机的主轴上设置有第二链轮; 第一 链轮通过链条与第二链轮动力连接。
进一步地, 所述搅拌轴包括第一搅拌轴和第二搅拌轴; 所述传动盒 内还设置有相互啮合的第一齿轮和第二齿轮, 所述第一齿轮与第一链轮 安装在第一搅拌轴上, 所述第二齿轮安装在第二搅拌轴上。
进一步地, 所述在线锡渣处理装置还包括: 设置在搅拌单元附近, 往搅拌单元所在的焊锡池内自动添加锡渣还原剂的锡渣还原剂自动添加 单元; 所述锡渣还原剂自动添加单元包括: 容纳锡渣还原剂的容器, 以 及电子泵或者液压泵。
进一步地, 所述在线锡渣处理装置还包括锡渣自动清理装置; 所述 锡渣自动清理装置包括: 分隔板、 刮板, 以及驱动所述刮板刮除分隔板 上的锡渣的刮板驱动单元; 所述分隔板设置在搅拌单元的上方, 所述刮 板设置在分隔板上, 所述刮板驱动单元与刮板动力连接。
进一步地, 所述分隔板为一块不锈钢板, 且所述不锈钢板上对应焊 锡池的位置开设有多个通孔。
进一步地, 所述在线锡渣处理装置还包括锡渣收集单元, 所述锡渣 收集单元包括围绕波峰焊接机波峰的, 具有一定斜度的焊锡收集槽; 所 述焊锡收集槽较低的一侧开设有开口。
进一步地, 所述锡渣收集单元还包括主动导流装置; 所述主动导流 装置包括设置在焊锡收集槽内的, 将焊锡液及锡渣推往搅拌单元的主动 导板, 以及与所述主动导板动力连接, 驱动主动导板运动的导板驱动单 Π ο
为解决上述波峰焊接机的技术问题, 本发明采用如下技术方案: 一种波峰焊接机, 其包括上述任一项技术方案所述的在线锡渣处理 装置。
进一步地, 所述波峰焊接机还包括保护罩, 所述保护罩罩在波峰焊 接机其它部件的外围。
本发明相对现有技术的有益效果是:
由于在波峰焊接机设置了本发明的在线锡渣处理装置, 可以在线自 动对锡渣进行一定处理, 使得锡渣与锡渣还原剂充分反应, 在减少锡渣 产生, 节约焊锡的同时, 可以节省人力成本且减少锡渣还原剂的用量, 因而即环保又节约资源, 具有较大的社会意义。 而且可以使得焊锡液中 的含氧量降低, 有助于焊接质量的提升。 附图说明
下面结合附图对本发明作进 步的说明。
图 1是本发明具体实施方式 波峰焊接机的示意图。
图 2是本发明具体实施方式 中搅拌单元的示意图。
图 3是本发明具体实施方式 波峰焊接机的示意图。 具体实施方式
实施例一 本具体实施方式的波峰焊接机如图 1所示, 其除了具有常见波峰焊 接机应有的大波峰 1、 小波峰 2、 焊锡池 3之外, 还包括在线锡渣处理装 置。 在线锡渣处理装置能够对锡渣进行在线处理, 使残余锡渣减少, 从 而节约劳动力、 焊锡以及锡渣还原剂, 并提升焊接品质。
以往的波峰焊接机工作时,焊锡池 3中熔融状态的焊锡液被波轮(图 中未画出)搅动, 从而形成大波峰 1和小波峰 2, 然后像瀑布一样流泻到 焊锡池 3 内, 并如此循环不止。 一般来说焊锡液会被空气氧化形成锡渣 浮在焊锡池 3 的焊锡液表面, 并可能大量堆积, 从而影响波峰焊接机的 正常工作, 以及浪费焊锡和降低焊接质量。 所以现有的波峰焊接机一般 需要通过人工将锡渣打捞起来当废品处理, 从而浪费大量的焊锡以及人 力。 现在较为先进的做法是在焊锡池 3 中人工添加锡渣还原剂, 并人工 进行搅拌, 从而使得大量锡渣得以还原, 最后人工将残余的少量锡渣捞 出, 从而提升焊接品质, 以及节约焊锡。
而本具体实施方式中的波峰焊接机如图 1 所示, 在现有的波峰焊接 机上安装了在线锡渣处理装置, 包括: 安装于焊锡池 3 内一侧的锡渣收 集单元 4和另一侧的搅拌单元 5, 以及位于搅拌单元 5附近适当位置,往 搅拌单元 5 内定期或者不定期自动添加锡渣还原剂的锡渣还原剂自动添 加单元 6。
所述锡渣收集单元 4包括围绕大波峰 1和小波峰 2的一个具有一定 斜度的焊锡收集槽 40, 焊锡收集槽 40较低的一侧设置有一个开口 41。 因为焊锡收集槽 40具有一定斜度, 从大波峰 1和小波峰 2流泻出来的焊 锡液不是直接流泻到焊锡池 3 内, 而是随同产生的锡渣一起从焊锡收集 槽 40—侧的开口 41流到搅拌单元 5所处的焊锡池 3内, 并与锡渣还原 剂自动添加单元 6添加的锡渣还原剂充分搅拌而充分反应, 从而使得大 部分锡渣得以还原。 一般来说能使锡渣减少 90% , 最后仅需要人工将残 留的极少量的残余锡渣捞出即可, 因而在节省锡渣还原剂以及焊锡本身 的同时, 也能有效提高焊接质量, 并节省人力成本。
所述搅拌单元 5包括: 框架 50、 传动盒 51、 第一搅拌轴 52、 第二搅 拌轴 53、 第一齿轮 54、 第二齿轮 55、 第一链轮 56、 链条 57、 第二链轮 58和作为动力发生器的电动机 59。所述框架 50固定设置在焊锡池 3内。 所述传动盒 51固定设置在框架 50的一端。所述第一搅拌轴 52和第二搅 拌轴 53并排可转动的设置在框架 50内。所述第一齿轮 54与第二齿轮 55 啮合, 且均位于传动盒 51内, 第一齿轮 54套在第一搅拌轴 52的一端, 而第二齿轮 55套在第二搅拌轴 53的一端。第一链轮 56也设置在第一搅 拌轴 52的一端。 所述第二链轮 58设置在电动机 59的主轴上。 第一链轮 56与第二链轮 58通过所述链条 57动力连接。当电动机 59工作时, 则通 过链传动使得第一搅拌轴 52旋转, 而第一搅拌轴 52同时通过齿轮传动 带动第二搅拌轴 53—起旋转, 从而对焊锡池 3内的焊锡液进行搅拌。 本 具体实施方式中采用的电动机 59的功率为 6瓦, 最终第一搅拌轴 52和 第二搅拌轴 53的转速为每分钟 90到 150转。
需要说明的是, 所述框架 50并不是一个封闭的盒体, 而是如图 2所 示的一个开放的框体, 其能够让焊锡液不受阻挡的进入到框架 50中而被 搅拌。 该框架 50包括: 位于其一端的第一侧板 501和位于其另一端的第 二侧板 502, 以及位于第一侧板 501和第二侧板 502之间的四根连接杆 503, 所述连接杆 503将第一侧板 501和第二侧板 502的四角对应连接起 来, 从而形成一个整体的框架 50。 所述第一搅拌轴 52和第二搅拌轴 53 即位于该框架 50中, 且可转动的设置在第一侧板 501和第二侧板 502之 间。 需要说明的是, 转动轴的数目和尺寸可以根据需要设定, 并不仅限 于两根。 而所述传动盒 51即固定设置在第一侧板 501的外表面, 且第一 搅拌轴 52和第二搅拌轴 53贯穿第一侧板 501后延伸至传动盒 51内。 所述锡渣还原剂自动添加单元 6设置在搅拌单元 5的一侧的适当位 置, 其内包含电子泵或者液压泵, 以及存储锡渣还原剂的容器。 电子泵 或者液压泵定时或者不定时的将容器内的一定量锡渣还原剂加入到搅拌 单元 5所在的焊锡池 3内。 由于自动添加的技术比较常用, 本处不再详 述。 本具体实施方式中的锡渣还原剂自动添加单元 6设定为每四小时添 加 100克锡渣还原剂, 当然也可根据实际生产状况调节添加时间及锡渣 还原剂的数量。
需要说明的是, 锡渣收集单元 4和锡渣还原剂自动添加单元 6也可 以省略, 而仅在原有波峰焊接机的焊锡池 3内直接安装搅拌单元 5。使用 时通过人工将焊锡池 3内漂浮的锡渣收集到搅拌单元 5所在的区域, 并 根据实际情况人工添加适量锡渣还原剂, 最后人工打捞残余锡渣, 也能 产生一定的有益效果, 只是比较浪费劳动力。
实施例二
本具体实施方式的波峰焊接机与实施例一的不同之处在于, 该波峰 焊接机的在线锡渣处理装置还包括锡渣自动清理装置 7和锡渣池 8。所述 该锡渣自动清理装置 7设置在搅拌单元 5的上方, 所述锡渣池 8位于锡 渣自动清理装置 7的一侧。
锡渣自动清理装置 7包括: 分隔板 71、 刮板 72和刮板驱动单元 73。 所述分隔板 71在本具体实施方式中采用一块不锈钢板, 所述不锈钢板上 对应搅拌单元 5 的位置开设有多个通孔, 由于残余锡渣的比重比焊锡液 小很多, 因而残余锡渣都浮在焊锡液的表面, 并被顶托而通过所述通孔 到达分隔板 71的上表面。 刮板 72即位于分隔板 71的上表面, 所述刮板 驱动单元 73与刮板 72动力连接, 驱动刮板 72将分隔板 71上的锡渣刮 到锡渣池 8内。通过设置锡渣自动分离清理装置 7, 可以不用人工去捞残 余锡渣, 节省了人力成本; 同时减少打捞锡渣的次数, 使设备的利用率 大幅提高。 当然, 也可以不设置锡渣池 8, 或者用其它合适的容器替代。 此外, 因为焊锡液和锡渣温度较高, 而且会产生烟尘, 因此还可以 设置保护罩, 将在线锡渣处理装置罩起来, 一方面该密闭环境可以减少 含氧量, 有利于减少锡渣的产生, 减少了锡渣还原剂的用量, 同时还使 车间环境也得到了进一步的改善, 从而实现了真正环保意义的节能、 减 排、 降耗。
因为锡渣可能会堵塞所述焊锡收集槽 40的开口 41,从而阻止焊锡液 和锡渣流向搅拌单元 5所在的焊锡池 3,所以还可进一步设置主动导流装 置, 从而使得锡渣可以随着焊锡液顺利的流向搅拌单元 5所在一侧的焊 锡池 3。所述主动导流装置包括主动导板以及导板驱动单元。所述主动导 板设置在焊锡收集槽 40内。 所述导板驱动单元与主动导板动力连接, 驱 动主动导板在焊锡收集槽 40内运动, 从而将锡渣经过开口 41推往搅拌 单元 5所在的焊锡池 3。
以上内容是结合具体的优选实施方式对本发明所作的进一步详细的 说明, 不能认定本发明的具体实施只局限于这些说明。 对于本发明所属 技术领域的普通技术人员来说, 在不脱离本发明构思的前提下, 还可以 做出若干简单推演或替换, 都应当视为属于本发明的保护范围。

Claims

权利 要 求
1、 在线锡渣处理装置, 其特征在于, 该在线锡渣处理装置包括设置 在波峰焊接机上的搅拌单元; 所述搅拌单元包括设置在波峰焊接机焊锡 池内的搅拌轴, 以及与所述搅拌轴动力连接, 驱动搅拌轴旋转的动力发 生器。
2、 如权利要求 1所述的在线锡渣处理装置, 其特征在于, 所述搅拌 单元还包括框架和传动盒; 所述框架设置在焊锡池内, 所述搅拌轴可转 动的设置在框架内, 且通过传动盒与所述动力发生器动力连接; 所述搅 拌轴延伸至传动盒内; 所述传动盒固定设置在框架的一端, 且传动盒内 设有第一链轮, 且所述第一链轮套装在搅拌轴上; 所述动力发生器为电 动机, 电动机的主轴上设置有第二链轮; 第一链轮通过链条与第二链轮 动力连接。
3、 如权利要求 2所述的在线锡渣处理装置, 其特征在于, 所述搅拌 轴包括第一搅拌轴和第二搅拌轴; 所述传动盒内还设置有相互啮合的第 一齿轮和第二齿轮, 所述第一齿轮与第一链轮安装在第一搅拌轴上, 所 述第二齿轮安装在第二搅拌轴上。
4、 如权利要求 1至 3中任意一项所述的在线锡渣处理装置, 其特征在 于, 所述在线锡渣处理装置还包括: 设置在搅拌单元附近, 往搅拌单元 所在的焊锡池内自动添加锡渣还原剂的锡渣还原剂自动添加单元; 所述 锡渣还原剂自动添加单元包括: 容纳锡渣还原剂的容器, 以及电子泵或 者液压泵。
5、如权利要求 1至 3中任意一项述的在线锡渣处理装置,其特征在于, 所述在线锡渣处理装置还包括锡渣自动清理装置; 所述锡渣自动清理装 置包括: 分隔板、 刮板, 以及驱动所述刮板刮除分隔板上的锡渣的刮板 驱动单元; 所述分隔板设置在搅拌单元的上方, 所述刮板设置在分隔板 上, 所述刮板驱动单元与刮板动力连接。
6、 如权利要求 5所述的在线锡渣处理装置, 其特征在于, 所述分隔 板为一块不锈钢板, 且所述不锈钢板上对应焊锡池的位置开设有多个通 孔。
7、 如权利要求 1至 3中任意一项所述的在线锡渣处理装置, 其特征在 于, 所述在线锡渣处理装置还包括锡渣收集单元, 所述锡渣收集单元包 括围绕波峰焊接机波峰的, 具有一定斜度的焊锡收集槽; 所述焊锡收集 槽较低的一侧开设有开口。
8、 如权利要求 7所述的在线锡渣处理装置, 其特征在于, 所述锡渣 收集单元还包括主动导流装置; 所述主动导流装置包括设置在焊锡收集 槽内的, 将焊锡液及锡渣推往搅拌单元的主动导板, 以及与所述主动导 板动力连接, 驱动主动导板运动的导板驱动单元。
9、 波峰焊接机, 其特征在于, 该波峰焊接机包括权利要求 1至 8中任 意一项所述的在线锡渣处理装置。
10、 如权利要求 9所述的波峰焊接机, 其特征在于, 所述波峰焊接机 还包括保护罩, 所述保护罩罩在波峰焊接机其它部件的外围。
PCT/CN2009/073329 2008-10-08 2009-08-18 在线锡渣处理装置及波峰焊接机 WO2010040295A1 (zh)

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