A new type of induction coil for induction heating of double thread drill bit mainly includes profiling induction coil, magnet I, positive connecting end, negative connecting end, magnet II and connecting plate. Profiling induction coil is two rectangular hollow copper tubes in the shape of drill bit thread. The profiling induction coil end is respectively provided with positive connecting end and negative connecting end, the top is a rectangular flat plate, and the rectangle is flat There are threaded holes on the plate, which are connected with the connecting plate through the thread, so that the two profiling coils are installed and combined together by the connecting plate, and the profiling induction coil is provided with a magnet I; the magnet I has the function of focusing magnetic field, which improves the heating efficiency of the coil, and the shape is similar to the profiling induction coil, which is a hollow thin rectangular tube; the connecting plate is composed of several rectangular steps, and the outer part is provided with the magnet II The guide magnet II is installed on the drill tip at the top of the drill bit, which is a cuboid as a whole, and is internally provided with a groove imitating the cone drill tip. The more uniform temperature distribution of the complex workpiece surface can be obtained by heating the profiling coil.
【技术实现步骤摘要】
一种用于双螺纹钻头感应加热的新型感应线圈
本技术装置是一种感应加热装置,特别是一种用于双螺纹钻头感应加热的新型感应线圈。
技术介绍
钻头为细长杆状切削刀具,包括刃部和柄部。其工作部分的刃部要求高硬度,才能对各种材料进行钻孔,并要求高强度和高耐磨性,需要进行热处理实现表面强化。感应淬火具有节能、生产周期短、可在线生产和劳动环境好等优点,得到广泛应用。目前钻头感应淬火主要是普通线圈感应加热,但对于表面较复杂的钻头,普通线圈加热使工件表面温度分布不均匀,使工件产生较大的残余应力,工件工作中易变形开裂。所以,研究一种用于双螺纹钻头感应加热的新型感应线圈具有重要意义。
技术实现思路
针对以上不足,本技术装置提供了一种用于双螺纹钻头感应加热的新型感应线圈。本技术装置采用的技术方案是:主要包括仿形感应线圈、导磁体Ⅰ、正极连接端、负极连接端、导磁体Ⅱ、联接板,仿形感应线圈为两条仿钻头螺纹形状的矩形空心铜管,仿形感应线圈末端分别设有正极连接端和负极连接端,顶端为矩形平板,矩形平板上有螺纹孔,通过螺纹与联接板实现连接 ...
【技术保护点】
1.一种用于双螺纹钻头感应加热的新型感应线圈主要包括仿形感应线圈、导磁体Ⅰ、正极连接端、负极连接端、导磁体Ⅱ、联接板,其特征在于:仿形感应线圈为两条仿钻头螺纹形状的矩形空心铜管,仿形感应线圈末端分别设有正极连接端和负极连接端,顶端为矩形平板,矩形平板上有螺纹孔,通过螺纹与联接板实现连接,从而使两条仿形线圈由联接板安装组合在一起,仿形感应线圈外设有导磁体Ⅰ;导磁体Ⅰ有聚磁作用,提高线圈的加热效率,形状类似仿形感应线圈,为空心的薄矩形管;联接板由几个矩形台阶构成,外部设有导磁体Ⅱ;导磁体Ⅱ安装于钻头顶端钻尖上,整体为长方体,且内部设有仿锥形钻尖的凹槽。/n
【技术特征摘要】
1.一种用于双螺纹钻头感应加热的新型感应线圈主要包括仿形感应线圈、导磁体Ⅰ、正极连接端、负极连接端、导磁体Ⅱ、联接板,其特征在于:仿形感应线圈为两条仿钻头螺纹形状的矩形空心铜管,仿形感应线圈末端分别设有正极连接端和负极连接端,顶端为矩形平板,矩形平板上有螺纹孔,通过螺纹与联接...
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