JPH08174062A - Guide pulley of travelling steel wire - Google Patents

Abstract

PURPOSE: To prevent the deviation of a steel wire from the groove in a pulley even in the slacking-off condition caused by lowering of the tension applied to the steel wire by arranging a magnet set at the center position of the arc which is formed by bringing the steel wire into contact with the pulley, above the outer periphery of the groove formed to the pulley. CONSTITUTION: At the time of lowering the tension applied to the steel wire W, the steel wire W is apt to conduct itself like the deviation from the groove of the pulley 1, but at once, the steel wire becomes the condition of catching with the magnetic force of the magnet 2 and stays just above the groove of the pulley 1. On the other hand, under this condition, the tension is again applied to the steel wire W, and in the case this tension is larger than the magnetic force, the steel wire W is separated from the magnet 2 and dropped down in the groove of the pulley 1 as it is, and this operation is continued. Thereafter, at the time of coiling the steel wire W into a reel, etc., or decoiling from the reel in a drawing treatment of metallic wire rod, etc., since the operation can be started without checking the condition between the steel wire W and the pulley 1, the cost on the operational control is drastically reduced.

Description

Detailed Description of the Invention

[0001]

[Industrial application] A guide bar that guides and guides the steel wire during the winding and unwinding process of the steel wire, which is performed in the metal wire industry.
It is related to Lee.

[0002]

2. Description of the Related Art In the metal wire rod industry, a work of winding a steel wire on a reel or a work of unwinding the reel is performed in a drawing process or the like. Usually, this winding / unwinding work is performed by winding the steel wire after the wire drawing and other treatments around the reel by guiding the steel wire with a guide such as a puller. That is, the steel wire is placed in the groove of the pulley, run, guided and guided, and work such as winding is performed. However, since a constant tension is applied to the steel wire during traveling and the steel wire travels while pressing the groove of the pulley, the steel wire does not deviate from the groove of the pulley.

However, the tension of the steel wire fluctuates when the running of the steel wire is stopped at the end of the winding operation, and when the tension is not applied, the steel wire becomes slack and the pulley It will deviate from the groove. Therefore, the steel wire must be rearranged in the groove of the pulley prior to the start of the next work such as winding, and its management and work become a big problem.

The deviation of the steel wire from the groove of the pulley as described above is apt to occur because the rigidity of the steel wire becomes smaller as the wire diameter of the steel wire becomes smaller. The longer the distance of the place to be extended or the greater the number of running directions of the steel wire,
As the number of pulleys used increases, the number of departures also increases, resulting in a large labor load.

As a means for preventing the above-mentioned steel wire from deviating from the groove of the pulley, as shown in FIG.
The barrier plate 12 is provided above the outer circumference of the groove 11 _{1 at} a position where the steel wire W deviates. However, in this method, if an attempt is made to effectively deviate the steel wire W from the groove 11 ₁ of the pulley 11, the barrier plate 12 is moved to the groove 1 of the pulley 11.
The gap between the pulley 11 and the barrier plate 12 must be narrowed by approaching 1 ₁ . However, in that case, when the steel wire W is newly arranged in the pulley 11 or the like, the steel wire W must be passed through an extremely narrow gap, and the workability is poor because the gap is narrow, and therefore the barrier plate The method of providing 12 is not practical.

[0006]

SUMMARY OF THE INVENTION The problem to be solved by the present invention is a guide pulley for guiding and guiding a traveling steel wire, particularly a steel wire having a thin wire diameter, and the tension applied to the steel wire is The purpose of the present invention is to provide a guide pulley in which the steel wire does not move out of the groove of the pulley even in a lowered and sagging state.

[0007]

That is, the gist of the present invention is
A running steel wire characterized by comprising a magnet arranged above the outer circumference of the groove formed in the pulley and arranged at the center of an arc formed by the steel wire coming into contact with the pulley. It relates to a guide pulley.

[0008]

According to the present invention, even when the steel wire sags and deviates from the inside of the groove of the pulley, the deviation of the steel wire is caused by the magnet disposed directly above the groove of the pulley. Can be suppressed. For this reason, it is not necessary to consider the deviation of the steel wire when starting the next winding work.
It is now possible to resume the work as it is.

[0009]

EXAMPLES The present invention will be specifically described below based on examples. FIG. 1 is a perspective view showing a guide pulley having a magnet according to the present invention. In the figure, 1 has an inner diameter of 70 m
m of flops - Li - a depth on its outer periphery a groove 1 ₁ of 15mm in V shape are provided. Reference numeral 2 is a magnet provided in the sky above the pulley 1, and is supported by the support member 3. At the position where this magnet 2 is arranged, the steel wire W is pulled out.
1 above the center of the arc portion formed by contacting the groove 1 ₁ and above the position of the groove 1 ₁ by 10 mm. And in this example, the shape of the magnet 2 is 10 mm in diameter and 5 mm in height.
It has a columnar shape and is hung by the support member 3.

2 and 3 are front views for explaining that the steel wire W is prevented from deviating from the pulley-1 by the guide pulley of this embodiment. Figure 2 is flop when the steel wire W is loosened to stop the running - indicates a state of being engaged with attracted by a magnet 2 arranged on the groove 1 ₁ over the re -1. On the other hand, FIG. 3 when traveling again steel wire W, steel wire W is separated from the magnet 2 by the tension added to the steel wire W, again up - shows the state of being positioned in a groove 1 ₁ Li -1 It is a thing.

[0011] Thus, the tension being applied to the steel wire W is reduced steel wire W is flop - although the de is behavior than the groove 1 within ₁ Li -1, captured by immediately magnet 2 force It is in the state, and remains just above the groove ₁₁ of the pulley- ₁ . On the other hand, in this state, tension is applied to the steel wire W again, and when the tension exceeds the magnetic force, the steel wire W separates from the magnet 2 and drops into the groove 1 ₁ of the pulley- ₁ to continue the work. become.

[0012]

EFFECTS OF THE INVENTION A steel wire having a wire diameter of 0.23 mm was wound using the guide pulley having the above structure, and the number of times the steel wire deviated from the guide pulley was observed. The number of guide pulleys used to pass through here is three. The observation results showed that the steel wire deviated from the guide pulley once at a rate of 5 stops in the conventional guide pulley, but when the guide pulley of the present invention was used, No deviation of the steel wire occurred.

For this reason, when the steel wire is wound on the reel or unrolled from the reel in the drawing process of the metal wire, the state of the steel wire and the pulley is checked. Since the work can be started without doing so, the cost is greatly reduced in the work management and the industrial merit is large.

[Brief description of drawings]

FIG. 1 is a perspective view showing a guide pulley according to the present invention.

FIG. 2 is a front view showing a state in which a steel wire is attracted to and locked by a magnet arranged above the groove of the pulley.

FIG. 3 shows that the steel wire runs again and the steel wire separates from the magnet.
It is a front view which shows the state arrange | positioned in the groove of the pulley again.

FIG. 4 is a front view showing a conventional guide pulley.

[Explanation of symbols]

₁ , 11 ... Pulley, 11 ₁ , 11 ₁ ... Groove of Pulley, 2 ... Magnet provided above the Pulley, 3 ... Magnet support member, 12 ... Barrier Plate, W ... Steel wire.

Claims (1)

[Claims] 1. A magnet is provided above the outer circumference of a groove formed in the pulley, the magnet being arranged at a central position of an arc formed by a steel wire contacting the pulley. Guide pulley for running steel wire.