一种拉丝机中的恒张力装置

Constant tension device in wire drawing machine

Abstract

本实用新型公开了一种拉丝机中的恒张力装置,包括支架,支架上设置有拉丝模具,还包括原料供给装置、绕线装置、轮轴以及设置在轮轴一端的中转轮,原料供给装置、绕线装置与轮轴三者的安装轴线平行,轮轴设置在支架上且可沿着轴线方向移动;线从原料供给装置引出后,直线通过拉丝模具、羊毛毡、中转轮,最后绕制于绕线装置上。因为张力恒定,这样就消除了由于张力变化而引起的断线及由此引起的成品线表面的划痕;这种装置使得制造成本大大降低。
The utility model discloses a constant tension device in a wire drawing machine. The constant tension device comprises a support, a raw material supply device, a coiling device, a wheel shaft and a transfer wheel, a wire drawing mold is arranged on the support, the transfer wheel is arranged at one end of the wheel shaft, installing axes of the raw material supply device, the coiling device and the wheel shafts are parallel, the wheel shaft is arranged on the support and can move along the axis direction, a wire is led out from the raw material supply device, and the straight wire passes through the wire drawing mold, wool felt and the transfer wheel to be finally coiled on the coiling device. The tensile force is constant, so that the problems of wire breaking and surface scratch of a finished product wire caused by changed tensile force are solved, and the manufacturing costs are greatly lowered by the aid of the device.

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