JPH0532277Y2 - - Google Patents

Description

[Detailed description of the invention] Industrial application field This invention is based on the invention, which has predetermined characters on the surface of the resin-coated electric wire.
This invention relates to a wire coating embossing device for embossing symbols, numbers, etc.

PRIOR ART AND PROBLEMS On the surface of a resin-coated electric wire that is coated with a resin such as polyvinyl chloride resin, predetermined letters, symbols, numbers, etc. are embossed to indicate the name of the manufacturer, the quality, etc. Such embossing processing is generally performed by a wire coating embossing device arranged after a wire coating extruder.

FIG. 4 shows an example of such a conventional wire coating embossing device. That is, the wire coating embossing device 1 includes an embossing roll 4 that comes into contact with the outer surface of the resin-coated wire W extruded by the extruder 2;
It has a pressing means 6 for pressing the embossing roll 4 against the electric wire W with a predetermined pressing force. The embossing roll 4 is rotatably supported around a shaft 10 provided at one end of an arm 8, and the other end of the arm 8 is swingably attached to a shaft 14 fixed to a main body 12 of the apparatus.

On the other hand, the pressing means 6 includes a spring 16 that acts on the shaft 10 to urge the shaft 10, that is, the embossing roll 4 toward the electric wire W, and the spring force of the spring 16 acting on the embossing roll 4 teeth,
A screw shaft 18 connected to the other end of the spring 16
This is done by rotating the nut 19 or the like to move it up and down, and adjusting the tensile force of the spring 16.

When the outer diameter of the electric wire changes or when the coating resin of the electric wire changes to a different material, it is naturally necessary to adjust the pressing means to apply a predetermined pressing force to the embossing roll 4. The spring force is adjusted by adjusting the spring force by moving the screw shaft vertically, but this adjustment work is not strictly reproducible and it is difficult to always obtain the appropriate pressing force. Ta. If the pressing force is too high, the thickness of the insulation layer on the wire sheathed by the embossing roll will be smaller than the appropriate value, and if the pressing force is too small, the embossed characters will become blurred.
This is a problem in either case.

Purpose of the invention The purpose of the invention is to enable adjustment of the contact force between the embossing roll and the coated wire with extremely high precision, to have good reproducibility, and to prevent changes in the outer diameter of the wire and fluctuations in the coating resin. It is an object of the present invention to provide an electric wire coating embossing device which can sufficiently cope with the present invention.

Means for Solving the Problems The above object is achieved by the wire coating embossing device according to the present invention. In summary, the present invention comprises: an elongated arm that is swingably supported around a rotating shaft provided on a main body base; a support stand provided at one end of the arm; and an elongated arm that is rotatably attached to the support stand. an embossing roll, an additional weight that can be placed on the support base to adjust the pressing force of the embossing roll against the surface of the covered wire, and an adjustment weight that is movably carried on the other end of the arm. An electric wire coating embossing device characterized by comprising:

Embodiment Next, the wire coating embossing device according to the present invention will be described in more detail with reference to the drawings.

1 and 2, the wire coating embossing device 1a according to the present invention includes an embossing roll 4 that comes into contact with the outer surface of a resin-coated wire W extruded by an extruder 2, and a predetermined position of the embossing roll 4. It has a pressing means 6 that presses against the electric wire W with a pressing force of .

In the present invention, the pressing means 6 has an arm 22 rotatably supported around a rotating shaft 20. The rotation shaft 20 has support legs 26 fixed to the main body base 24.
is supported by A support stand 28 is fixed to one end 22a of the arm 22, and a roll support shaft 30 is attached to the support stand 28 in a manner perpendicular to the arm 22. The embossing roll 4 is rotatably supported at the end of the support shaft 30, and is arranged so as to be placed on the surface of the electric wire W. Further, a guide shaft 32 is provided on the upper part of the support stand 28.
is vertically planted, and a weighting member 34 having a hole in the center with a larger diameter than the guide shaft 32 is removably attached to the guide shaft 32 by inserting it through the hole. . Extra weights 34 having various weights are prepared, and by changing the weight of the extra weights 34 placed on the support base 28, the pressing force of the embossing roll 4 on the electric wire W can be adjusted.

An end 22b of the arm 22 opposite to the side on which the support base 28 is provided is a threaded shaft, and an adjustment weight 36 is disposed so as to be screwed onto the threaded shaft 22b.
The adjustment weight 36 is used to adjust the magnitude of the pressing force with higher precision using the additional weight 34. After adjustment, the adjusting weight 36 is fixed by a locking nut 38 or the like so that it does not move on the screw shaft 22b.

Furthermore, as shown in FIG.
4 is preferably provided with a generally U-shaped stopper 40 for restricting the vertical movement of the arm 22. The stopper 40, as shown in FIG.
It is also possible to configure the stopper 40 so that it can be rotated in the direction of arrow A and released from its function as a stopper 40.

With the above configuration, the wire coating embossing device 1 according to the present invention has an embossing roll 4 that comes into contact with the outer surface of the resin-coated wire W extruded by the extruder 2.
The pressing force on the electric wire W can be adjusted with extremely high precision by appropriately changing the weight increase 34 of the support base 28 of the pressing means 6 and adjusting the adjustment weight 36 as necessary. .

The position of the adjustment weight 36 on the screw shaft and the increased weight 34
can be accurately determined based on the outer diameter of the wire and the type of covering material, so it can be carried out with good reproducibility.

Effects of the invention As explained above, the present invention allows the pressing force of the embossing roll to be adjusted with high precision as desired by arbitrarily changing the weight increase and further adjusting the adjustment weight as necessary. It has the advantage that it can sufficiently respond to changes in the outer diameter of the wire and the coating resin with good reproducibility, and can achieve a good wire coating embossing process.

[Brief explanation of the drawing]

FIG. 1 is a front view of an embodiment of the wire coating embossing device according to the present invention. 2 is a plan view of the wire coating embossing device of FIG. 1; FIG. FIG. 3 is a diagram taken along the line - in FIG. 1. FIG. 4 is a front view showing an example of a conventional wire coating embossing device. 2...Extruder, 4...Emboss roll, 6...
Pressing means, 22... Arm, 28... Support stand, 3
0... Emboss roll rotation shaft, 32... Guide shaft,
34...Additional weight, 36...Adjustment weight, 40...Stopper.

Claims (1)

[Claims for Utility Model Registration] 1) An elongated arm that is swingably supported around a rotating shaft provided on a main body base, a support stand provided at one end of the arm, and a support stand provided on the support stand. an embossing roll that is rotatably mounted; an additional weight that can be placed on the support base to adjust the pressing force of the embossing roll against the surface of the covered wire; and a weight that is movably supported on the other end of the arm. An electric wire coating embossing device characterized in that it comprises an adjustable weight. 2) The apparatus according to claim 1, wherein the embossing roll is attached to a roll support shaft provided on a support stand in a manner perpendicular to the arm. 3) The weight increaser has a hole bored in the center and is placed on the support by passing through a vertical guide shaft installed in the upper part of the support. Apparatus described in section. 4) The device according to any one of claims 1 to 3, wherein the other end of the arm is a threaded shaft, and the adjustment weight is disposed by being screwed onto the threaded shaft. 5) The device according to any one of claims 1 to 4, wherein the main body base is provided with a generally U-shaped stopper for restricting vertical movement of the arm.