CN107635713B - 超声波焊接夹钳 - Google Patents
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Abstract
本发明涉及一种用于在管状导电焊接介质(20)上进行超声波焊接的超声波焊接夹钳(10),其中第一焊接钳口或第二焊接钳口和焊接介质止动装置(21)均是导电的并且彼此电隔离地布置,该焊接介质止动装置界定形成在焊接钳口之间的焊接介质保持空间(19),导电的焊接钳口和导电的焊接介质止动装置形成安全电路的部件,使得在通过焊接介质在导电的焊接钳口和焊接介质止动装置之间形成电接触而闭合安全电路之后触发包括闭合焊接钳口的焊接过程。
Description
技术领域
本发明涉及一种用于在管状导电焊接介质上进行超声波焊接的超声波焊接夹钳,包括第一夹钳部分和相对于第一夹钳部分可移动的第二夹钳部分,第一夹钳部分具有由发射超声波振动的超声波发生器形成的第一焊接钳口,并且第二夹钳部分具有由砧座形成的第二焊接钳口。
背景技术
上述类型的超声波焊接夹钳特别地用于金属管上的端部焊接,例如在冷却单元上的流体管路,即例如特别是在空调或冰箱中。这种类型的端部焊接在包括流体管路的冷却回路已经填充有冷却剂之后进行,使得布置在管的自由端上的填充配件从管端切断,同时所述端被焊接。
由于焊接钳口的窄小设计,即使在最狭窄的空间中也可以定位在焊接位置,以便也能够与配备有流体管路的单元非常接近地执行焊接过程。虽然实际的焊接过程发生在相对较小和较窄的焊接钳口之间,但是包括超声波发生器的超声波装置在超声波焊接夹钳的夹钳部分上的布置需要包括相应质量的超声波焊接夹钳的整体大体积的设计。因此,为了操纵超声波焊接夹钳,超声波焊接夹钳必须与操纵装置组合,以便抵消超声波焊接夹钳的重量,从而便于操纵超声波焊接夹钳。
尽管已知的超声波焊接夹钳设有这种操纵装置,因此易于仅使用一只手定位,但是出于安全原因,已知的超声波焊接夹钳应该用双手操作。这是为了确保在执行焊接过程期间操作员的手不会位于焊接钳口的区域中。为了双手操作,设置了用于触发焊接过程的两个触发开关,每个触发开关布置在一个手柄上,因此操作员的两只手必须放置在间隔开的手柄上以执行或触发焊接过程。
因此,在实践中,焊接冷却单元的管状流体管路的端部需要操作员的特殊技能,因为在执行焊接过程的同时,操作员必须确保填充配件定位在期望的位置并且特别是在落入接收容器时不会被损坏,其中该填充配件在焊接端部的同时将从流体管路切断。
发明内容
本发明的目的是简化超声波焊接夹钳的操纵,而对超声波焊接夹钳的操作安全性没有任何不利影响。
该目的通过具有权利要求1的特征的超声波焊接夹钳而实现。
根据本发明,第一焊接钳口或第二焊接钳口和焊接介质止动装置均是导电的并且彼此电隔离地布置,其中焊接介质止动装置界定形成在焊接钳口之间的焊接介质保持空间,导电的焊接钳口和导电的焊接介质止动装置形成安全电路的部件,使得在通过焊接介质在导电的焊接钳口和焊接介质止动装置之间形成电接触而闭合安全电路之后触发包括闭合焊接钳口的焊接过程。
因此,根据本发明的超声波焊接夹钳允许只有当通过焊接介质在焊接介质止动装置和导电的焊接钳口之间形成电接触时才能触发焊接过程,焊接介质布置为焊接钳口与焊接介质止动装置之间的桥接接触。通过这种方式,焊接介质本身形成用于触发焊接过程的触发装置的部件。
由于根据本发明的超声波焊接夹钳的设计,不再需要双手操作超声波焊接夹钳,以便确保只有当焊接介质与导电焊接钳口和焊接介质停止装置之间的同时接触确保焊接介质处于焊接位置时才会实际上发生焊接钳口的闭合,随后进行焊接过程。通过这种方式,超声波焊接夹钳能够用于安全可靠的单手操作,从而超声波焊接夹钳特别地仅需要一只手来操纵它。
因为通常与超声波焊接夹钳组合的操纵装置无论如何都能减轻重量,所以操作员只需要通过枢转超声波焊接夹钳来使超声波焊接夹钳相对于焊接介质定位,从而焊接介质位于在焊接钳口之间的焊接介质保持空间中。超声波焊接夹钳的这种枢转定位用一只手可以容易地进行,因此操作员能够在焊接期间用自由的手握住填充配件,以确保其一旦从焊接介质切断就能正确定位。
在超声波焊接夹钳的优选实施例中,焊接介质止动装置经由实现为隔离体的连接元件与一个夹钳部分连接,因此由于连接体本身(即例如对于将连接元件连接至相应的夹钳部分而言无论如何都是必要的连接手段)而实现期望的电隔离。
特别有利的是,焊接介质止动装置布置在第一夹钳部分上,并且导电的焊接钳口布置在第二夹钳部分上,使得第二夹钳部分相对于第一夹钳部分的移动性不受不利影响。
如果焊接介质止动装置具有彼此电隔离并且布置在共同的止动平面中的两个止动元件,该止动平面平行于焊接介质的纵向轴线方向,所述纵向轴线方向被定义用于焊接过程的执行,则止动装置能够以特别有利的方式使用,该方式不仅关于焊接过程的安全触发,还可以确保焊接介质的明确定位,因为在这种情况下,焊接过程的触发可以另外根据通过焊接介质在彼此隔离的止动元件之间建立的导电连接来进行。
止动元件以特别有利的方式布置,即止动元件布置在第一夹钳部分上,使得止动元件的自由接触端在它们之间容纳在下夹钳部分处由砧座形成的焊接钳口。
附图说明
在下文中,借助于附图更详细地说明超声波焊接夹钳的有利实施例。
在附图中:
图1示出了超声波焊接夹钳的等距示意图,其中焊接钳口位于闭合位置且布置在钳头中;
图2示出了钳头的示意图,其中焊接钳口布置在打开位置。
具体实施方式
图1示出了超声波焊接夹钳10的等距示意图,其具有布置在共同的夹钳壳体13中的上夹钳部分11和下夹钳部分12。上夹钳部分11具有超声波振动装置作为主要部件,超声波振动装置包括设置在其前端的超声波发生器14,所述超声波发生器14形成第一焊接钳口。砧座15安装在夹钳壳体13上,以便相对于超声波发生器14可移动。在所示实施例的情况下,形成第二焊接钳口的砧座15可以借助于致动装置(未示出)抵着超声波发生器14绕着形成在夹钳壳体13的后部中的枢转轴线16枢转,使得形成在砧座15上的相对表面17抵着超声波发生器14的工件表面18移动,该超声波发生器在当前情况下进行纵向振动。替代地,砧座15朝着超声波发生器14的方向的前进运动也可以通过线性调节装置来进行。
超声波发生器14和砧座15基本上形成超声波焊接夹钳10的焊接头35,如图2所示,在焊接头35的打开位置界定焊接介质保持空间19,焊接介质20可以插入焊接介质保持空间19中,焊接介质在当前情况下形成为小金属管。如图2中可以进一步看到,上夹钳部分11设置有焊接介质止动装置21,焊接介质止动装置具有两个间隔开的止动元件22、23,止动元件通过隔离体24连接到上夹钳部分11。在砧座15的两侧处,止动元件22、23的自由接触端25、26在共同的止动平面27中延伸,使得当插入焊接介质保持空间19中的焊接介质20接触到接触端25、26时,焊接介质20已经到达纵向轴线定向28,这如图2所示,并且这确保了在执行焊接钳口的闭合过程之后产生的焊缝在超声波焊接夹钳10的纵向轴线36的方向上延伸,即与焊接介质的纵向轴线定向28基本上成α=90°的角度。
在图2所示的实施例中,导电砧座15连接至同样导电的壳体13,壳体形成接地电位,并且经由接地导体29接地。
同样导电的止动元件22、23通过布置在隔离体24上而与壳体13电隔离并且彼此电隔离,并且止动元件22、23经由信号导体31、32分别与评估单元(未示出)连接,信号导体与砧座15和止动元件22、23一起布置在安全电路中,布置在图1中的超声波焊接夹钳10的手柄34上的致动开关33也被集成到所述安全电路中。
如图2所示,焊接头35包括相互隔离的止动元件22、23和砧座15,焊接头35的这种结构确保为了使安全电路闭合,必须致动手柄34上的致动开关33,并且必须经由焊接介质20在砧座15和两个止动元件22、23之间建立电接触。只有满足这两个条件,安全电路才能闭合,并且焊接钳口通过砧座15抵着超声波发生器14的枢转而闭合,前述枢转是执行焊接过程的先决条件。
Claims (5)
1.一种用于在管状导电焊接介质(20)上进行超声波焊接的超声波焊接夹钳(10),包括第一夹钳部分(11)和相对于所述第一夹钳部分可移动的第二夹钳部分(12),所述第一夹钳部分具有第一焊接钳口,所述第一焊接钳口由发射超声波振动的超声波发生器(14)形成,并且所述第二夹钳部分具有由砧座(15)形成的第二焊接钳口,
其特征在于,
所述第一焊接钳口或所述第二焊接钳口和焊接介质止动装置(21)均是导电的并且彼此电隔离地布置,所述焊接介质止动装置界定形成在焊接钳口之间的焊接介质保持空间(19),导电的焊接钳口和导电的所述焊接介质止动装置形成安全电路的部件,使得在通过所述焊接介质在导电的所述焊接钳口和所述焊接介质止动装置之间形成电接触而闭合所述安全电路之后触发包括闭合所述焊接钳口的焊接过程。
2.根据权利要求1所述的超声波焊接夹钳,其特征在于,所述焊接介质止动装置(21)经由实现为隔离体(24)的连接元件连接至夹钳部分。
3.根据权利要求1或2所述的超声波焊接夹钳,其特征在于,所述焊接介质止动装置(21)布置在所述第一夹钳部分(11)上,并且导电的所述焊接钳口布置在所述第二夹钳部分(12)上。
4.根据权利要求1或2所述的超声波焊接夹钳,其特征在于,所述焊接介质止动装置(21)具有两个止动元件(22、23),所述止动元件彼此电隔离并且被布置在平行于所述焊接介质(20)的纵向轴线定向(36)的共同的止动平面(27)中,所述纵向轴线定向被定义用于执行所述焊接过程。
5.根据权利要求4所述的超声波焊接夹钳,其特征在于,所述止动元件(22、23)布置在所述第一夹钳部分(11)上,使得所述止动元件的自由接触端(25、26)在它们之间容纳了焊接钳口,所述焊接钳口在所述下夹钳部分(12)处由所述砧座(15)形成。
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DE102015206866.8 | 2015-04-16 | ||
DE102015206866.8A DE102015206866B3 (de) | 2015-04-16 | 2015-04-16 | Ultraschall-Schweißzange |
PCT/EP2016/057689 WO2016166019A1 (de) | 2015-04-16 | 2016-04-08 | Ultraschall-schweisszange |
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EP (1) | EP3283252B1 (zh) |
JP (1) | JP6810130B2 (zh) |
KR (1) | KR102430163B1 (zh) |
CN (1) | CN107635713B (zh) |
DE (2) | DE202015008931U1 (zh) |
DK (1) | DK3283252T3 (zh) |
ES (1) | ES2744337T3 (zh) |
HU (1) | HUE046238T2 (zh) |
MX (1) | MX367447B (zh) |
PL (1) | PL3283252T3 (zh) |
PT (1) | PT3283252T (zh) |
RS (1) | RS59136B1 (zh) |
SI (1) | SI3283252T1 (zh) |
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DE102017006239A1 (de) | 2016-12-21 | 2018-06-21 | NovaTec GmbH Innovative Technologie | Ultraschall Schweißzange mit Rohrerkennung |
DE102017117078B4 (de) | 2017-07-28 | 2019-06-13 | Schunk Sonosystems Gmbh | Sonotrode sowie Verfahren zur Beeinflussung des Schwingungsverhaltens einer Sonotrode |
DE102017216988A1 (de) * | 2017-09-25 | 2019-03-28 | Schunk Sonosystems Gmbh | Verfahren zur Positionierung von Schweißgut in einer Ultraschall-Schweißeinrichtung sowie Ultraschall-Schweißeinrichtung |
DE102017220079A1 (de) * | 2017-11-10 | 2019-05-16 | Schunk Sonosystems Gmbh | Ultraschall-Schweißeinrichtung |
KR20220090503A (ko) | 2019-11-05 | 2022-06-29 | 슈운크 소노시스템스 게엠바하 | 접합 파트너의 위치 감지를 갖는 초음파 용접 장치 |
EP3925725B1 (de) * | 2020-06-16 | 2023-05-17 | Novatec GmbH Innovative Technologie | Amboss, ambossträger und ultraschall-schweisseinrichtung |
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- 2015-04-16 DE DE102015206866.8A patent/DE102015206866B3/de not_active Expired - Fee Related
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2016
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- 2016-04-08 JP JP2018505529A patent/JP6810130B2/ja active Active
- 2016-04-08 SI SI201630381T patent/SI3283252T1/sl unknown
- 2016-04-08 ES ES16719227T patent/ES2744337T3/es active Active
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- 2016-04-08 EP EP16719227.7A patent/EP3283252B1/de active Active
- 2016-04-08 HU HUE16719227A patent/HUE046238T2/hu unknown
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- 2016-04-08 PL PL16719227T patent/PL3283252T3/pl unknown
- 2016-04-08 DK DK16719227.7T patent/DK3283252T3/da active
- 2016-04-08 US US15/561,540 patent/US10610959B2/en active Active
- 2016-04-08 WO PCT/EP2016/057689 patent/WO2016166019A1/de active Application Filing
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EP3283252B1 (de) | 2019-06-05 |
WO2016166019A1 (de) | 2016-10-20 |
KR20180002654A (ko) | 2018-01-08 |
MX2017012766A (es) | 2018-02-23 |
DE102015206866B3 (de) | 2016-07-21 |
EP3283252A1 (de) | 2018-02-21 |
JP6810130B2 (ja) | 2021-01-06 |
SI3283252T1 (sl) | 2019-11-29 |
KR102430163B1 (ko) | 2022-08-05 |
PL3283252T3 (pl) | 2019-11-29 |
US10610959B2 (en) | 2020-04-07 |
RS59136B1 (sr) | 2019-09-30 |
ES2744337T3 (es) | 2020-02-24 |
DK3283252T3 (da) | 2019-09-02 |
PT3283252T (pt) | 2019-09-19 |
CN107635713A (zh) | 2018-01-26 |
DE202015008931U1 (de) | 2016-03-09 |
US20180079027A1 (en) | 2018-03-22 |
HUE046238T2 (hu) | 2020-02-28 |
JP2018517568A (ja) | 2018-07-05 |
MX367447B (es) | 2019-08-20 |
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