JP2001171909A - Continuous wire supplying device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To establish a motion of a wire guide in a proper timing and prevent a wire from entanglement resulting from its movement. SOLUTION: The trailing and end of the former wire wound body 21 is connected to the leading end of the latter wire wound body 22, and upon supplying wire 1 of the former wire wound body via a wire guide 6, the wire guide 1 is moved to over the latter wire wound body, and then the wire of the latter wound body is supplied continuously, wherein the wire guide is furnished with a first sensing means 41 to sense the end of wire supply due to the former wire wound body and emit a signal to start the movement of the wire guide, a braking means to prohibit movement of the wire guide when the wire is supplied from the former wire wound body and disengage the prohibition of movement in conformity to a movement start signal given by the first sensing means to allow the movement of the wire guide to start, and a second sensing means to sense completion of the movement of the wire guide to over the latter wire wound body and emit a movement stop signal for stopping the movement of the wire guide thorough the braking means.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a continuous wire rod feeding device, and more particularly to a wire rod guide which can move a wire rod at an appropriate timing and in response to the movement of a wire rod. The present invention relates to a continuous wire feeder capable of reliably and smoothly performing continuous wire feed by preventing the occurrence of a problem.

[0002]

2. Description of the Related Art As shown in FIG. 3, a conventional continuous wire rod feeding device comprises a plurality of wire rods 21 and 22 each having a wire 1 wound in a coil shape on winding drums 21a and 22a. Is connected at the terminal end of the wire wound body 21 to the starting end of the subsequent wire wound body 22, and the wire 1 near the connecting portion 3 is connected to the wire wound body 2
The first detecting means 41 for detecting the end of the supply of the wire rod 1 and issuing a signal to start the movement of the wire rod guide 6 is installed,
A motor (not shown) that starts in response to a signal output from the detecting means 41 when the wire 1 comes off due to tension causes the wire guide 6 for securing the supply route of the wire 1 to be connected to the upper part of each wire winding body 2. Along the rail 7 installed so as to pass through, the wire 1 is moved from the upper portion of the wire rod 21 to which the supply of the wire 1 has been completed to the upper portion of the wire rod 22 to which the next wire is supplied. When the wire guide 6 reaches the upper position of the later wire wound body 22 and completes the movement, the second detecting means 5 comes into contact with the contact piece 5a to detect the contact piece 5a, emits a predetermined signal, and outputs a predetermined signal. To stop. Thereby, the wire rod guide 6 stops at the upper position of the wire rod 22 and can continuously supply the wire 1 from the subsequent wire rod 22. Reference numeral 5b denotes a contact piece for stopping the wire guide 6 on the wire winding body 21 (JP-A-53-6895, JP-A-5-32953).
No. 9).

[0003]

However, in the conventional continuous wire feeder, the first wire detecting device 41 is disposed between the winding drums 21a and 22a. In spite of the fact that the wire rod 1 has not been finished, unintended tension is applied to the wire rod connection part 3 due to the slackening of the wire rod 1 or the like, and the wire rod 1 in the vicinity may come off the detecting means 41 in some cases. . Therefore, the first detecting means 41 emits a signal to operate the motor 10, and the wire guide 6
Although the supply of the wire 1 by the previous wire winding body 21 is not completed, the wire 1 moves to the upper part of the subsequent wire winding body 22 and prevents the supply of the wire 1 from the smooth winding drum 21a. There was something.

[0004] In the conventional continuous wire feeder, after the wire 1 of the connecting portion 3 comes off the first detector 41, the wire 1
The wire guide 6 moves regardless of the behavior of the wire 1
In some cases, the wire rod 1 slackened or was pulled by the wire rod guide 6, causing the wire rod 1 to become lumpy or mottled, and the supply of the wire rod 1 was stopped.

Accordingly, an object of the present invention is to move the wire rod guide at an appropriate timing and in response to the movement of the wire rod. An object of the present invention is to provide a continuous wire rod supply device that can be performed smoothly.

[0006]

SUMMARY OF THE INVENTION In order to achieve the above object, the present invention provides the following continuous wire feeder.

[1] A plurality of wire rods are connected at the end of an adjacent preceding wire rod and the starting end of a subsequent wire rod,
After supplying the wire of the preceding wire winding via the wire guide, the wire guide is moved from the upper portion of the preceding wire winding to the upper portion of the subsequent wire winding corresponding to the end of the supply. In the continuous wire feeder that continuously supplies the wire of the subsequent wire wound body to the wire guide, the wire guide detects the end of the wire feed by the previous wire wound body, and detects the end of the wire feed by the wire wound guide. First detection means for issuing a movement start signal for starting the movement of the wire rod, and when the wire rod of the preceding wire winding body is supplied, the movement of the wire guide is inhibited, and the movement start from the first detection means is stopped. A braking means for releasing the movement prohibition by the signal and enabling the movement of the wire guide to start, and detecting the completion of the movement of the wire guide to the upper portion of the subsequent wire wound body, via the braking means. Stop moving the wire guide Wire continuous supply apparatus characterized by formed by disposing a second detecting means for issuing a movement stop signal for.

[2] The wire guide according to [1], wherein after the movement prohibition of the wire guide is released and the movement can be started, the wire guide starts to move due to the tension generated on the wire toward the subsequent wire winding body. Wire rod continuous feeder.

[3] The first detecting means includes: a wire introduction portion that operates in a pendulum shape due to a tension applied to the subsequent wire wound body generated in the wire, and the wire introduction portion exceeds a predetermined swing width. And a limit switch that issues the movement start signal when the wire is supplied. [1] or [2].

[4] The first detecting means comprises: a fixed pulley for mechanically supporting the wire; a movable pulley which moves up and down by a tension generated on the wire toward the subsequent wire winding body; The wire rod continuous supply device according to [1] or [2], further comprising: a limit switch that issues the movement start signal when the movable pulley exceeds a predetermined upper limit position.

In the continuous wire feeding apparatus of the present invention, as described above, since the first detecting means is provided in the wire guide itself, the first detecting means is capable of continuously supplying the wire. Located on the upper part of the body. Therefore, there is no detection error due to the wire rod being wound before the wire supply of the previous wire rod is completed, and the wire rod guide can always be moved at an appropriate timing.

Further, in the wire rod continuous supply device of the present invention, after the movement prohibition of the wire rod guide is released and the movement can be started, the movement of the wire guide is started by the tension generated on the wire rod toward the wire winding body. I do. For this reason, the wire guide can be moved in accordance with the movement of the wire, and it is possible to prevent the wire supply from being stopped due to the mottle or lumps of the wire.

[0013] As a result, the continuous wire supply apparatus of the present invention can reliably supply the continuous wire, so that the machine equipment on the side to which the wire is supplied can be prevented from being stopped, and the operating rate of the machine equipment can be reduced. Can be raised.

[0014]

Embodiments of the present invention will be specifically described below with reference to the drawings.

1. First Embodiment FIG. 1 is an explanatory view schematically showing a continuous wire feeder according to a first embodiment of the present invention, and FIG. 1A is a schematic view showing the entire apparatus. FIG. 1B is an enlarged view showing a wire guide portion of the apparatus. The same parts as in FIG.
Since they are indicated by the same reference numerals, duplicate description will be omitted.

As shown in FIG. 1A, in the continuous wire rod supplying device according to the first embodiment, the first detecting means 41 is provided with a wire winding device which is adjacent to the previous wire rod continuous wire supplying device. The wire guide 6 is not disposed on the wire 1 near the connecting portion 3 that connects the terminal end of the body 21 and the start end of the wire wound body 22 later.
It is arranged for itself. Thereby, the first detecting means 4
1 is a wire wound body 21 or 2 which always supplies the wire 1
2 can be located at the top.

As shown in FIG. 1B, the wire guide 6 according to the first embodiment has a wire introduction portion 41a which operates in a pendulum shape by the tension of the wire 1, and a wire introduction portion 41a.
And a limit switch 41b that emits a signal when a predetermined swing width is exceeded. Accordingly, when the wire 1 is pulled toward the wire winding body 22 later, the wire introduction portion 41a has a predetermined swing width due to the tension, and the limit switch 41b is pressed to operate.

The wire guide 6 has a wheel 8 that can be moved, a movement of the wheel 8 when the wire is wound, and a movement of the wheel 8 when the wire is supplied. A braking means (not shown) for releasing the prohibition is provided, and when a signal from the first detecting means 41 is issued, the wire guide 6 is moved along the rail 7 by the wire winding body 21. It is possible to start moving from the upper part to the upper part of the wire winding body 22 that follows.

Next, the wire guide 6 starts to move from the upper portion of the preceding wire winding member 21 to the upper portion of the later wire winding member 22 due to the tension generated in the wire 1 toward the subsequent wire winding member 22. I do. The movement may be started by a drive device such as a motor, but from the viewpoint of moving in response to the movement of the wire 1, it is preferable to move the wire 1 by tension applied to the wire winding body 22 after being generated in the wire 1. .

When the wire guide 6 moves as described above and the subsequent movement of the wire winding body 22 to the upper portion is completed, the second detecting means 5 comes into contact with the contact piece 5a to detect the contact piece 5a and output a signal. Emits. In response to this signal, the braking means 9 is activated, and the wire guide 6 stops moving by the wheels 8. As a result,
The wire guide 6 is positioned above the subsequent wire roll 22 in a state where movement is prohibited, and the wire 1 of the subsequent wire roll 22 can be reliably supplied.

2. Second Embodiment FIG. 2 is an explanatory view schematically showing a wire guide according to a second embodiment of the present invention.

As shown in FIG. 2, in the continuous wire feeder according to the second embodiment, the wire guide 6 has a fixed pulley 42a for mechanically supporting the wire 1, a wire wound body formed on the wire. A first pulling means 4 including a movable pulley 42b which moves up and down by a tension toward the side 22; a wire holder 42c; and a limit switch 42d which emits a signal when the movable pulley 42b exceeds a predetermined upper limit position.
2 are provided.

According to this embodiment, since the wire 1 is always supplied via the fixed pulley 42a and the movable pulley 42b and the movable range is narrowed, the movement of the wire 1 can be extremely stabilized. it can.

The wire holder 42c is used for further stabilizing the movement of the wire 1.

The movable pulley 42b rises by the tension when the wire 1 is pulled toward the wire winding body 22 later, and operates the limit switch 42d when the wire 1 reaches a predetermined position. The signal emitted from the first detecting means 42 releases the braking of the braking means, and thereafter, it operates in the same manner as in the first embodiment.

[0026]

As described above, according to the continuous wire feeder of the present invention, the movement of the wire guide can be performed at an appropriate timing and in accordance with the movement of the wire, and the moat of the wire, Since it is possible to prevent the abrasion and to perform the continuous supply of the wire rod reliably and smoothly, it is possible to prevent the mechanical equipment on the side to which the wire rod is supplied from being stopped, and to increase the operation rate of the mechanical equipment.

[0027]

[Brief description of the drawings]

FIG. 1 is an explanatory diagram schematically showing a continuous wire rod supply device according to a first embodiment of the present invention, and FIG. 1A is a schematic diagram showing the entire device, and FIG. FIG. 2 is an enlarged view showing a wire guide portion of the apparatus.

FIG. 2 is an explanatory view schematically showing a wire guide according to a second embodiment of the present invention.

FIG. 3 is an explanatory view schematically showing an example of a conventional continuous wire rod supply device.

[Explanation of symbols]

 1: Wire rod 2: Wire winding body 21: Previous wire rod winding body 21a: Winding cylinder 22: Later wire rod winding body 22a: Winding cylinder 3: Connection part 41: First detecting means 41a: Wire rod inlet 41b : Limit switch 42: First detecting means 42a: Fixed pulley 42b: Movable pulley 42c: Wire holder 42d: Limit switch 5: Second detecting means 5a: Contact piece 6: Wire guide 7: Rail 8: Wheel

Claims (4)

[Claims] A plurality of wire rods are connected at an end of an adjacent wire rod and a start end of a subsequent wire rod, and the wire rod is connected via a wire guide. After the supply of the wire rod, the wire rod guide is moved from the top of the previous wire rod to the upper part of the subsequent wire rod in response to the end of the supply, and the wire rod of the subsequent wire rod is moved. In the wire rod continuous supply device that continuously supplies a wire rod, the wire rod guide detects a completion of wire supply by the preceding wire winding body and issues a movement start signal for starting movement of the wire rod guide. Detecting means, when supplying the wire of the previous wire wound body, while prohibiting the movement of the wire guide, releasing the movement prohibition by the movement start signal from the first detecting means to release the movement of the wire guide. Braking means for allowing movement to start, and the wire guide Second detection means for detecting the completion of the movement to the upper part of the wire wound body after the above and issuing a movement stop signal for stopping the movement of the wire guide via the braking means. A continuous wire rod supply device. 2. The wire guide according to claim 1, wherein, after the movement prohibition is released and the movement can be started, the wire guide starts to move by a tension generated in the wire toward the subsequent wire winding body. Continuous wire feeder. 3. The wire detecting device according to claim 1, wherein the first detecting means includes a wire introduction portion that operates in a pendulum shape due to a tension applied to the subsequent wire wound body generated in the wire, and the wire introduction portion exceeds a predetermined swing width. 3. The continuous wire rod feeding device according to claim 1, further comprising a limit switch that issues the movement start signal in a case. And a movable pulley that moves up and down by a tension generated on the wire toward the subsequent wire winding body, wherein the first detection means includes: a fixed pulley that mechanically supports the wire; 3. The continuous wire rod supply device according to claim 1, further comprising a limit switch that issues the movement start signal when the pulley exceeds a predetermined upper limit position.