Automatic wire feed straightening shaft of steel wire straightening cutting machine

Abstract

The invention relates to an automatic wire feed straightening shaft of a steel wire straightening cutting machine. A body is a hollow cylindrical shell and is axially provided with an elongated groove. The two ends of the hollow cylindrical shell are disposed on a front bearing seat and a rear bearing seat of a frame. A belt pulley which is driven by a motor is disposed on a front short shaft. A plurality of straightening dies of wedge-shaped inclined faces are disposed in the inner cavity of the main body and are arranged on the inner walls of two opposite sides of the main body at intervals. The wedge-shaped inclined faces of the straightening dies face the steel wire feeding direction and semicircular straightening grooves are disposed on the inner sides of the rear portions of the dies. An oil-bearing copper layer is laid on each straightening groove. An adjusting plate provided with an adjusting bolt is arranged on an outer wall of the main body. The adjusting bolt is positioned and fixed by fixing screws after die gaps are finely adjusted. Due to the wedge-shaped inclined faces of the straightening dies, the automatic feeding of the steel wires is realized, and the steel wires can penetrate through the straightening grooves fast without manual traction. Due to the large contact area of the straightening groove and the oil-bearing copper layer, the straightened steel wires are fine in straightness without scratches on the surface. The straightening cutting machine is high is straightening precision and production efficiency.

Description

technical field [0001] The invention relates to a key component of a steel wire straightening and cutting machine, in particular to an automatic wire-threading and straightening shaft of a steel wire straightening and cutting machine that can quickly "top" the coiled steel wire. Background technique [0002] Enterprises that produce slender shafts or small hardware screws must use small-sized steel wires to cut off as blanks. First, the coiled steel wires of the entire coil must be loosely straightened before being straightened and cut. To complete this process, a wire straightening and cutting machine must be used, and the key component is the cylindrical straightening shaft. [0003] The applicant once invented a high-speed steel wire straightening and cutting machine tool. Although the work efficiency and straightening accuracy have been greatly improved compared with the existing steel wire straightening and cutting machine, there are still some shortcomings. For exampl...

AI Technical Summary

Problems solved by technology

For example, the position of the straightening column on the straightening shaft against the steel wire is only in point contact, and the apex of the straightening column is likely to scratch the surface of the steel wire, so that the precision of the steel wire blank is not high; Each straightening column on the straightening shaft must be crossed by manual operation when "topping", which is very troublesome and low in work efficiency; moreover, the steel wire material in the traction section has not been straightened and cannot be used as a blank, resulting in waste

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