JPH0710382A - Wire feeding device - Google Patents

Abstract

PURPOSE:To provide a wire feeding device capable of checking any reverse traveling of a wire and to support it aright even in such a case as cutting the wire midway the feeding. CONSTITUTION:A wire feeding device 10 consists of a wire insertional member 30 inserting a wire 20, a supporting member 40 inserting this wire insertional member 30 retractably, and a check member (ball member) engaging this insertional member 30 with the supporting member 40 tight in the case where the wire 20 has moved in reverse to the delivery direction, while checking any retrograde motion of the wire 20 inserted into the wire insertional member 30, respectively. Also it is provided with an energizing member (spring) 60 energizing the insertional member 30 inserted into the supporting member 40 in the reverse direction to the delivery direction of the wire 20. In addition, the check member is made up of the ball member 50 being retractable in an opening 33 installed in a peripheral wall of the wire insertional member 30. Furthermore, it is provided with transfer unit capable of shifting the wire feeding device 10 in the cross direction of a drum.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a device for paying out wires such as steel stranded wire wound around a drum, and particularly when the wire moves in a direction opposite to the payout direction, the movement of the wire is stopped. The present invention relates to a wire feeding device.

[0002]

2. Description of the Related Art Conventionally, in order to pay out wires such as steel stranded wire wound on a drum, the drum is rotatably mounted on a carriage and the tip of the wire is pulled to rotate the drum while rotating the wire. I was out.

[0003]

However, in the above-described conventional wire feeding method, when the wire is cut after the wire is wound for a desired length, the wire wound on the drum bounces due to the force of stretching. There was a risk of damage to the equipment around the drum, injury to workers, etc.

Therefore, the present invention is proposed in order to solve the above-mentioned problems of the prior art, and the object thereof is to cut the wire while it is being fed out. An object of the present invention is to provide a wire feeding device capable of stopping and supporting the backward movement of the wire.

[0005]

The gist of the structure of the present invention is that in the invention according to claim 1, a wire insertion member for inserting a wire and an insertion member for inserting and removing the wire insertion member are provided. By the support member, and when the wire is moved in a direction opposite to the feeding direction, by fixing the wire insertion member to the support member, and by a stop member that stops the backward movement of the wire inserted in the wire insertion member. It is characterized in that a wire feeding device is configured.

Further, in the invention described in claim 2,
The wire feeding device according to claim 1, wherein a biasing member that biases the wire insertion member inserted into the support member in a direction opposite to the wire feeding direction is provided.

Further, in the invention according to claim 3,
The wire feeding device according to claim 1 or 2, wherein the spherical member that appears in and out of the opening formed in the peripheral wall of the wire insertion member and the support member inner surface expands in diameter from the base end portion toward the tip end portion. It is characterized in that the spherical surface of the spherical member that comes out of the opening / closing hole comes into contact with the inner surface of the entering / leaving hole.

According to the invention described in claim 4,
The wire feeding device according to any one of claims 1 to 3, further comprising a moving device capable of moving the wire feeding device in a width direction of the drum.

[0009]

Since the present invention has the above-mentioned structure, it operates as described below.

According to the first aspect of the present invention, the wire insertion member is mounted in the support member so that the wire insertion member can be inserted and removed.
The wire is inserted through the wire insertion member, and the wire is fed while pulling the tip portion of the wire. Then, when the wire is cut, or the like, and the wire moves in the direction opposite to the feeding direction, the blocking member is actuated, and the wire insertion member is fixed to the support member and inserted into the wire insertion member. Stop the wire from going backwards. Therefore, even if the wire is cut while it is being paid out, it is possible to prevent the wire from going backward and support the wire, so that the wire paying-out work can be performed safely and easily.

Further, in the invention according to claim 2,
The wire insertion member inserted into the support member is always biased by the biasing member in a direction opposite to the wire feeding direction. That is, except when the wire is being pulled out by pulling the tip of the wire, the blocking member is activated, the wire insertion member is fixed to the support member, and the retrograde movement of the wire inserted in the wire insertion member is suppressed. There is. Therefore, when the wire payout work is not performed, the wire is stopped, so that the wire payout work becomes safer and easier.

Further, in the invention according to claim 3,
A spherical member that appears in and out of the opening formed in the peripheral wall of the wire insertion member, and an entrance and exit hole that expands in diameter from the base end toward the tip end on the inner surface of the support member. Consists of a stop member that can contact the inner surface,
The wire is restrained by the spherical surface of the spherical member that has entered the opening, and the spherical surface of the spherical member located outside the opening is in contact with the inner surface of the exit hole. Therefore, the wire can be gripped securely, and the diameter of the exit hole expands from the base end to the tip on the inner surface of the support member. The contact is released, the sphere member can be moved outward, and the wire insertion member can be moved in the distal direction.

On the other hand, when the wire is not pulled out, the tension of the wire causes a pulling back force due to the tension of the wire in the winding drum around which the wire is wound. Although it tries to rotate to the end side, since the entrance / exit hole has a smaller diameter at the base end on the inner surface of the support member, the ball member moves in the direction of entering the opening of the wire insertion member and grips the wire. Be strong. Therefore, it becomes possible to reliably prevent the wire from going backwards with a simple device.

According to the invention of claim 4,
The wire feeding device can be moved in the width direction of the drum by the moving device. Therefore, since the wire extended from the drum is delivered in a substantially straight line shape through the wire delivery device, it is possible to prevent the wire delivery device from being damaged without applying an excessive force to the wire delivery device.

[0015]

DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to the drawings. 1 to 4 show an embodiment of a wire feeding device according to the present invention, FIG. 1 is a sectional view of the wire feeding device showing a state before the wire is inserted, and FIG. 2 shows the wire feeding device. FIG. 3 is a cross-sectional view of the wire payout device showing a state in which the wire payout device is attached, FIG. 3 is a plan view of a drum support cart with the wire payout device attached, and FIG. 4 is a side view of the drum support cart with the wire payout device attached.

The wire feeding device 10 includes a wire 2
When the wire insertion member 30 that inserts 0, the support member 40 that inserts the wire insertion member 30 into and out of the wire insertion member 20, and the wire 20 moves in the direction opposite to the feeding direction,
A stop member (ball member) 50 that fixes the wire insertion member 30 to the support member 40 and also prevents the wire 20 inserted through the wire insertion member 30 from moving backward, and the support member 4
The wire insertion member 30 inserted in the
A biasing member (spring) that biases in the direction opposite to the feeding direction of
60 and 60 as main components.

The wire insertion member 30 is a tubular member having an insertion hole 31 through which the wire 20 is inserted, and has a taper portion 32 whose tip portion is expanded outward. Further, the peripheral wall is provided with three openings 33 at equal intervals on the same circumference.

The support member 40 into which the wire insertion member 30 is inserted is a tubular member having an insertion / extraction hole 41 through which the wire insertion member 30 can be inserted / extracted. The inner diameter is slightly larger than the outer diameter, and the inner diameter is increased toward the tip.

A ball member 50, which is a stopper member, is inserted into the inlet / outlet hole 41 of the support member 40 so as to be located at the opening 33 provided in the peripheral wall of the wire insertion member 30.
The wire insertion member 30 freely moves in and out of the insertion hole 41 of the support member 40.
The ball member 50 also moves as 0 moves in and out.

As described above, the access hole 4 of the support member 40
Since the inner diameter of 1 is expanded from the base end portion toward the tip end portion, when the wire insertion member 30 moves toward the base end portion of the support member 40, the spherical member 50 is positioned inside the opening 33. Move to get in. Therefore, in this case, the peripheral surface of the wire 20 in the wire insertion member 30 is pressed by the spherical surface of the sphere member 50 that has entered the opening 33, and the wire 20 is stopped in the wire insertion member 30. Become. In addition, the support member 4 for the spherical member 50
The spherical surface which is in contact with the exit / entry hole 41 of 0 is also pressed against the wall of the exit / entry hole 41, so that the wire insertion member 30 is fixed to the inside / outlet hole 41 of the support member 40.

On the other hand, the wire insertion member 30 is the support member 4
When moving toward the front end portion of 0, the spherical member 50 that has entered the opening 33 moves in the direction to go out from the opening 33. Therefore, in this case, the wire 20 in the wire insertion member 30 can move freely. The wire insertion member 30 can also move toward the tip side of the support member 40.

A closing ring 70 for supporting the wire insertion member 30 and for closing the entrance / exit hole 41 on the tip end side of the support member 40 is mounted in the entrance / exit hole 41 on the tip end side of the support member 40. . This closure ring 70
Has a support hole 71 having an inner diameter slightly larger than the outer diameter of the wire insertion member 30, and a plurality of screw holes 72 for screwing the tips of the bolts 43 on the peripheral surface. Further, a bolt insertion hole 42 is formed in the peripheral wall of the tip portion of the support member 40 so as to face the screw hole 72.

The wire insertion member 30 is attached to the wire 2
The urging member that urges in the direction opposite to the 0 feeding direction is a coiled spring 60. In order to attach the spring 60 to the outer periphery of the wire insertion member 30, an engagement groove 35 is provided on the peripheral wall of the wire insertion member 30 to attach an engagement ring 34 such as an E ring.

Therefore, in order to assemble the wire feeding device 10 by attaching the ball member 50 and the spring 60 to the wire insertion member 30 and the support member 40, first, from the base end side of the wire insertion member 30, the closing ring 70 and the spring. 60 in this order, and engage the engagement ring 3 in the engagement groove 35.
Attach 4. Then, the wire insertion member 30 to which the ball member 50, the closing ring 70 and the spring 60 are attached is positioned in the entrance / exit hole 41 of the support member 40, and the closure ring 70 is inserted from the tip end side of the entrance / exit hole 41 to support the support member 40. The bolt 43 may be screwed into the bolt insertion hole 42 and the threaded hole 72 of the closing ring 70 in series.

As described above, when the wire 20 moves in the payout direction, the wire 20 can freely move inside the wire insertion member 30 and the wire insertion member 30 can freely move inside the support member 40. it can. On the other hand, when the wire 20 moves in the direction opposite to the feeding direction, the wire 20 is stopped in the wire insertion member 30 and the wire insertion member 30 is fixed in the support member 40. In addition, the wire insertion member 30 is
Since the spring 60 is biased in the direction opposite to the wire 20 feeding direction, when the wire 20 is not pulled in the feeding direction, the wire 20 is restrained in the wire inserting member 30 and the wire inserting member 3
0 is fixed in the support member 40.

Therefore, when pulling the wire 20 in the feeding direction, the wire 20 can be freely fed, but when the feeding of the wire 20 is stopped, or when the wire 20 is pulled in the direction opposite to the feeding direction. The wire 20 is stopped and supported by the wire feeding device 10.

The wire feeding device 10 described above is attached to a drum support carriage 90 that rotatably supports a drum 80 around which the wire 20 is wound. This drum support cart 90 is a rear car-shaped cart, and a drum rotation shaft 92 is bridged over the base end of a frame 91, and a support shaft 93 for supporting the wire payout device 10 is bridged over the substantially central part and supported at the tip. A stick 94 is laid over it. Further, the wheels 9 are provided on the lower surface of the frame 91 on which the drum rotation shaft 92 is located.
5 is attached, and leg portions 96 are provided on the lower surface of the substantially central portion. The drum support cart 90 can be freely moved like a rear car by lifting the support rod 94 and separating the leg portion 96 from the ground.

Further, the frame 91 of the drum support truck 90
Is composed of a base end frame 91a and a tip end frame 91b that can be inserted into and removed from the base end frame 91a. A fastening device 97 for attaching the tip end frame 91b is attached to the base end frame 91a. The fastening device 97 may be any device as long as it can fasten the distal end frame 91b to the base end frame 91a.
It is configured by a device in which a screw is screwed into a screw hole formed on the peripheral surface of a and the outer peripheral surface of the tip frame 91b is pressed by the tip of the screw. Therefore, the length of the frame 91 in the front-rear direction can be adjusted by adjusting the protruding length of the tip frame 91b.

The drum 80 around which the wire 20 is wound is attached to the drum rotating shaft 92. The drum 80 rotates with the rotation of the drum rotation shaft 92.
2 is provided with a brake 98 having the same structure as that used in a bicycle, for example, and the rotation of the drum 80 can be stopped by operating the brake 98.

The wire feeding device 10 includes a support shaft 93.
It is attached to the lower side of the moving device 100 attached to. The moving device 100 is composed of a bushing movably attached to the support shaft 93, can move in the width direction of the drum support carriage 90, that is, the width direction of the drum 80, and the pull-out position of the wire 20 pulled out from the drum 80 can be set. Even if it changes, an unreasonable force is not applied to the wire feeding device 10.

Wire 20 extended from drum 80
Is passed through the wire feeding device 10 and is fed in the direction of the tip of the drum supporting carriage 90. At this time, the wire feeding device 10 moves the drum 8 by the moving device 100.
Since the wire 20 can be moved in the width direction of 0, the wire 20 paid out from the drum 80 is paid out on a substantially straight line, and the wire payout device 10 is not subjected to an excessive force.

[0032]

Since the present invention is constructed as described above, it has the following effects. In the invention according to claim 1, when the wire is moved in a direction opposite to the feeding direction due to cutting of the wire or the like, the stop member is activated to stop the wire insertion member on the support member. It is possible to prevent the wire inserted through the wire insertion member from going backward while being worn. Therefore, it is possible to safely and easily carry out the wire feeding operation.

Further, in the invention described in claim 2,
The urging member keeps the stop member operating at all times. Therefore, when the wire unwinding work is not performed, the wire is stopped, so that the wire unrolling work becomes safer and easier.

Further, in the invention described in claim 3,
The restraint member is composed of a spherical member that appears in and out of an opening formed in the peripheral wall of the wire insertion member. Therefore, it becomes possible to reliably prevent the wire from going backwards with a simple device.

Further, in the invention according to claim 4,
The wire feeding device can be moved in the width direction of the drum by the moving device. Therefore, since the wire extended from the drum is delivered in a substantially straight line shape through the wire delivery device, it is possible to prevent the wire delivery device from being damaged without applying an excessive force to the wire delivery device.

[Brief description of drawings]

FIG. 1 is a sectional view of a wire feeding device showing a state before a wire is inserted.

FIG. 2 is a cross-sectional view of the wire feeding device showing a state where the wire is being fed.

FIG. 3 is a plan view of a drum support truck to which a wire feeding device is attached.

FIG. 4 is a side view of a drum support truck to which a wire feeding device is attached.

[Explanation of symbols]

 10 Wire feeding device 20 Wire 30 Wire insertion member 31 Insertion hole 32 Tapered part 33 Opening part 34 Locking ring 35 Locking groove 40 Supporting member 41 Entry / exiting hole 42 Bolt insertion hole 43 Bolt 50 Stopping member (ball member) 60 Energizing member (Spring) 70 Closing Ring 71 Support Hole 72 Screw Hole 80 Drum 90 Drum Support Cart 91 Frame 91a Base End Frame 91b Tip Frame 92 Drum Rotating Shaft 93 Support Shaft 94 Support Rod 95 Wheel 96 Leg 97 Fixing Device 98 Brake 100 Moving 100 apparatus

Claims (4)

[Claims] 1. A device for feeding a wire wound around a drum, comprising: a wire insertion member for inserting the wire; a support member for inserting the wire insertion member into and out of the wire insertion member; and a wire in a direction opposite to the feeding direction. If you move
A wire feeding device, comprising: a stop member for fixing the wire insertion member to the support member and for preventing the wire inserted through the wire insertion member from moving backward. 2. The wire feeding device according to claim 1, further comprising a biasing member for biasing the wire insertion member inserted in the support member in a direction opposite to a wire feeding direction. Wire feeding device. 3. The wire feeding device according to claim 1 or 2, wherein a spherical member protruding and retracting in an opening opened in a peripheral wall of the wire insertion member, and a base end portion to a tip end portion on an inner surface of the support member. A wire feeding device, comprising: a stop member, which is formed of an entrance / exit hole that expands in diameter toward the inside of the entrance / exit hole, and the spherical surface of the sphere member that exits from the opening can contact the inner surface of the entrance / exit hole. 4. The wire feeding device according to any one of claims 1 to 3, wherein the wire feeding device is provided with a moving device that can move the wire feeding device in the width direction of the drum.