The utility model provides a high-frequency composite induction brazing inductor, which installs a coaxial transformer at the back end of the connecting rod. The front end of the connecting rod has a U-shaped bifurcation with an opening facing forward. The two sides of the opening end of the U-shaped bifurcation are vertically bent upwards and connected with the two sides of the opening end of the U-shaped induction coil positioned directly above the U-shaped bifurcation. A pair of \concave\ magnetic guide blocks are side-by-side and are symmetrically clamped at the concave part. On the outer side of U-shaped induction coil, a pair of L-shaped positioning sheets are symmetrically arranged on the inner side of U-shaped induction coil and are respectively connected with a pair of magnetic conducting blocks. Any positioning sheet is attached to the upper end of the magnetic conducting block with a horizontal part, and the vertical part is attached to the magnetic conducting block vertically and downwards, and the lower edge is located in the plane of the U-shaped induction coil. When the inductor is welded, the U-shaped induction coil and the welding ring are coplanar or parallel to locate The lower edge of the sheet is propped against the upper edge of the welding ring to form the compaction of the butt welding ring. The high frequency composite induction brazing inductor of the utility model has good welding quality and high efficiency.
【技术实现步骤摘要】
一种高频复合感应钎焊用感应器
本技术涉及制冷器具管道焊接
,更具体地说是一种高频复合感应钎焊用感应器。
技术介绍
冰箱蒸发器、冷凝器等管道的连接多采用钎焊工艺,传统的钎焊采用氧气、乙炔火焰加热,工作环境差,对操作工责任心和技能的要求高。高频感应钎焊是利用感应电流产生涡流焦耳热对工件进行加热,具有安全、高效、无空气污染的特点,在冰箱管道连接技术上的应用潜力较大,但由于高频感应钎焊对工件的加热受材料壁厚、电导率、磁导率的影响较大,不同材质、不同壁厚的管道不能在同一台感应设备上焊接,而冰箱管道件是由铜、铝等多种材质的管道连接而成,管道壁厚规格也存在多种,因此目前感应焊在冰箱装配线上的适用范围受到一定的限制。此外,冰箱的管道方向与焊环平面垂直,传统的感应器线圈平面与管道中心线重合,感应器主要通过加热工件,利用金属的传导作用使焊环(包含钎料和钎剂)熔化,对于钎料熔点与工件熔点接近的材料容易发生工件“过烧”熔蚀的缺陷。
技术实现思路
本技术旨在至少在一定程度上解决上述技术问题之一。为此,本技术提出一种焊接质量好、效率高的高频复合感应钎焊用感应器。为实现上述目的,本技术采用如下技术方案:一种高频复合感应钎焊用感应器,其结构特点是:连杆的后杆端安装同轴变压器,前杆端具有开口朝前的U形分叉,所述U形分叉的开口端两侧向上竖直弯折、与位于U形分叉正上方的U形感应线圈开口端两侧相连接,一对“凹”形导磁块侧立、以凹口部对称卡装于U形感应线圈的外侧,一对L形定位片对称布设在U形感应线圈的内侧、分别与一对导磁块固连,任一定位片是以水平部贴设于导磁块的上端面,竖直部贴靠于导磁块竖直向下延伸 ...
【技术保护点】
1.一种高频复合感应钎焊用感应器,其特征是:连杆的后杆端安装同轴变压器,前杆端具有开口朝前的U形分叉,所述U形分叉的开口端两侧向上竖直弯折、与位于U形分叉正上方的U形感应线圈开口端两侧相连接,一对“凹”形导磁块侧立、以凹口部对称卡装于U形感应线圈的外侧,一对L形定位片对称布设在U形感应线圈的内侧、分别与一对导磁块固连,任一定位片是以水平部贴设于导磁块的上端面,竖直部贴靠于导磁块竖直向下延伸、下边沿处于U形感应线圈平面内;以所述U形感应线圈、一对导磁块及一对定位片构成感应器的焊头,感应器焊接时,所述焊头的U形感应线圈与焊环共面或平行,并是以定位片的下边沿抵靠于焊环的上沿,形成对焊环的压紧。
【技术特征摘要】
1.一种高频复合感应钎焊用感应器,其特征是:连杆的后杆端安装同轴变压器,前杆端具有开口朝前的U形分叉,所述U形分叉的开口端两侧向上竖直弯折、与位于U形分叉正上方的U形感应线圈开口端两侧相连接,一对“凹”形导磁块侧立、以凹口部对称卡装于U形感应线圈的外侧,一对L形定位片对称布设在U形感应线圈的内侧、分别与一对导磁块固连,任一定位片是以水平部贴设于导磁块的上端面,竖直部贴靠于导磁块竖直向下延伸、下边沿处于U形感应线圈平面内;以所述U形感应线圈、一对导磁块及一对定位片构成感应器的焊头,感应器焊接时,所述焊头...
【专利技术属性】
技术研发人员:荆嵩,李艳革,
申请(专利权)人:长虹美菱股份有限公司,
类型:新型
国别省市:安徽,34
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