Winding device for wire material with rectangular section

Abstract

The present invention relates to a winder used for a wire with a rectangular cross section, and wherein, a guide component (7) winds the wire and thus restricts the winding position of a square wire (e.g., moving along an axial direction according to the winding count (cycles) of the rectangular cross section wire), and as a result, one lateral surface of the regular rectangular wire (W) wound on the outer circumference of the cylindrical part (4a) of a reel (4) is tightly attached to one lateral surface of the regular rectangular wire (W) which is about to be wound. Consequently, by gaplessly winding the regular rectangular wire (W) on the reel (4), a coil with excellent properties can be formed.

Description

technical field [0001] The invention relates to a winding technique for winding a wire with a rectangular cross-section into a coil state. Background technique [0002] Generally, a coated copper wire for forming a coil by being wound on a bobbin or the like tends to have a circular cross section in a direction perpendicular to the longitudinal direction. In contrast, in recent years, a type of wire called a regular square wire has been developed. The regular square wire refers to a wire having a cross-sectional horizontal to vertical ratio of substantially 1:1, that is, having a cross-section that is almost square in shape. It is known that a coil having extremely excellent characteristics can be obtained by winding such a regular square wire to form a coil. [0003] That is to say, when a conventionally used wire having a circular cross-section is wound on the outer periphery of a bobbin, no matter how tightly the wire is wound, gaps inevitably occur due to its geometry....

AI Technical Summary

Problems solved by technology

[0004] Furthermore, in the case of making a coil by winding a wire having a circular cross section, as is apparent from the above space factor, since the insulating air layer occupies about 10% of the cross-sectional area ratio of the laminated wire, Low thermal conductivity from inside the coil

Therefore, there is a problem that the maximum current that can be supplied is limited by the heat value generated by the coil

This drives up costs and leads to complex winding arrangements

In addition, there is a problem that the cost of the film is added, and unnecessary film remains in the coil as a product to deteriorate the appearance of the product

Furthermore, an additional problem is that it is difficult to wind the wire in alignment if the wire is not set correctly when winding the regular square wire at the beginning

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