JPH06297039A - Device for supporting spooled wire - Google Patents

Abstract

PURPOSE:To improve efficiency in a work for rewinding a wire by preventing the generation of the sag of the wire due to temporary stop or the like and the slipping-out of the wire from a spool. CONSTITUTION:By providing a braking mechanism 3 in the vicinity of a brake disk 11 which is connected to the rotary shaft for supporting spools 7, braking of the spools is enabled. By providing a pressing mechanism 5 at the tip of which freely turn-able rollers 51, 52 are mounted in the opposite positions on the peripheral surface of the spooled wire, the slipping-out of the wire from the spool is prevented. Plural spools are made loadable on the disk-shaped supporting frame 1. By revolving the supporting frame 1, the spools are moved and made change-able.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a spool winding wire supporting device, for example, for supporting a spool on a wire supply side (rewinding side) and a wire wound on the spool when rewinding the wire. Can be used for

[0002]

2. Description of the Related Art For example, in the manufacturing process of welding wire, the welding wire is usually wound into individual spools every 20 kg. Such a spool-wound wire may have a defect such as a scratch on the wire surface due to a manufacturing defect, or may be wound around the spool in a randomly wound state. In order to inspect the wire surface for defects over the entire length of the wire, it is necessary to pull out (rewind) the spool-wound wire. The inspection is carried out while rewinding to the spool. It is also necessary to rewind the irregularly wound wire.

Rewinding of such spool winding wire is
Conventionally, the equipment shown in FIGS. 11 and 12 is used. That is, by using a spool supply table, a take-up capstan, and a winder, one spool winding wire is attached to the spool supply table, and the tip of the set spool winding wire is pulled out. , Feeding the wire to the winder via a take-up capstan. Near the pick-up capstan,
A scratch detector is installed. By driving an electric motor installed on the winder and the take-up capstan, the wire can be automatically fed and wound.

[0004]

However, when the spool winding wire is rewound while feeding the wire at high speed using the above equipment, there is a change in the wire feeding speed at the beginning of the rewinding. Or, if the wire feed is temporarily stopped during rewinding, the spool winding wire set on the spool supply table on the supply side may sag, or the wire may spread and come off the spool flange. Inconvenience frequently occurs. Whenever such an inconvenience occurs, it is necessary to manually rewind the wire around the spool to remove the slack or restore the wound state, so that the work efficiency is low. In addition, the spool winding wire must be replaced on the spool supply base each time the spool winding wire is completely rewound. Therefore, the work that must be performed manually frequently occurs, and the burden on the worker is large.

SUMMARY OF THE INVENTION Therefore, an object of the present invention is to provide a spool winding wire supporting device capable of efficiently rewinding a spool winding wire.

[0006]

In order to solve the above-mentioned problems, a spool winding wire supporting device of the present invention comprises a spool supporting means (1) for rotatably supporting a plurality of spools. ); A spool moving means (21) for rotatably supporting the spool supporting means so as to be rotatable about a central shaft at a position where the plurality of spools are arranged; a rotation braking means (3); Braking drive means (4); wire pressing means (5); and positioning the rotation braking means at a position where it abuts a member that rotates with the rotation of at least one spool and a predetermined retracted position. The wire pressing means is provided with a wire pressing drive means (6) for positioning the wire pressing means at a position where it abuts the wire wound around at least one spool and at a predetermined retracted position.

In a preferred embodiment, the spool support means has a plurality of rotatable shafts (12) for supporting each spool at one end and a disc-shaped member installed at the other end of each shaft. (11) is provided, and the rotation braking means is installed at a position facing the disk-shaped member. In a preferred embodiment, at least one rotatable member is provided at the tip of the wire pressing means.
Two rollers (51, 52) are provided.

The symbols shown in parentheses are the reference numerals of corresponding elements in the embodiments described later, but each constituent element of the present invention is a specific element in the embodiments. It is not limited to only.

[0009]

In the present invention, since each spool is rotatably supported by the spool supporting means, the spool is rotated so that the wire wound around it is continuously wound. Can be pulled out at high speed. Therefore, for example, the wire pulled out from the spool is shown in FIGS.
Similar to the equipment of (1), it can be supplied to the winder through the take-up capstan and rewound.

For example, in the case of temporarily stopping the conveyance of the wire during the rewinding work, if the driving of the take-up capstan and the winder is simply stopped, the tip of the wire stops, but the spool on the supply side rotates. Will continue for some time due to inertia, causing slack in the wire. However, in the present invention, the rotation of the spool can be quickly stopped and the slack of the wire can be suppressed to a minimum by driving the braking drive means and moving the rotation braking means to a predetermined position.

When the wire sags, the wire easily comes off the spool, but when the wire comes off the spool, the wire must be manually rewound. However, in the present invention, by driving the wire pressing drive means, the wire pressing means can be moved to a position where it abuts on the wire. That is, by pressing the wire with the wire pressing means, even if some slack is generated in the wire, it can be prevented from coming off the spool.
Further, since the rotation braking means and the wire pressing means can be moved to the retracted positions respectively, they do not interfere with the rotation of the spool and the wire during the normal rewinding work, and the wire is supplied at a high speed. You can.

Further, in the present invention, a plurality of spools can be simultaneously mounted on the spool supporting means. Moreover, since the spool moving means rotatably supports the spool supporting means around a central axis at a position where a plurality of spools are arranged, each spool is centered. Is axisymmetric with respect to the axis of (distances to each other are equal),
When the spool support means is rotated, all the spools revolve and move, and move to positions corresponding to the amount of revolution. Therefore, if a plurality of spool winding wires are loaded in advance in the spool supporting means, the spool to be rewound can be exchanged by simply rotating the spool supporting means. As a result, a plurality of spool loading operations can be performed at one time, which improves the efficiency of the operation.

In an embodiment to be described later, a disc-shaped member is provided on each shaft for rotatably supporting each spool of the spool support means, and the rotation braking means faces the disc-shaped member. It is installed in the position. With such a configuration, there is no fear of damaging the spool during braking, and reliable braking can be expected.

In the embodiment, a rotatable roller is provided at the tip of the wire pressing means. By providing the rotatable roller, even when the wire pressing means is in contact with the wire, it does not generate a force that restrains the movement of the wire and the rotation of the spool, so that the wire can be removed from the spool. It does not come off easily, and there is no concern that the wire holding means will damage the wire.

[0015]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The entire structure of a spool winding wire supporting device of an embodiment is shown in FIGS. 1, 2 and 3. 1 is a front view, FIG.
Is a right side view and FIG. 3 is a plan view. This spool-wound wire support device can be used as a wire supply device in the work of rewinding a welding wire.

First, with reference to FIGS. 1, 2 and 3, an outline of the structure of this apparatus will be described. As shown in FIG. 2, in this apparatus, six spools 7 wound with welding wire are used.
Can be supported simultaneously. In the vicinity of the circumference of the disc-shaped support frame 1 arranged in the vertical direction, the spool support portions 13 are provided at six positions which are axially symmetric with respect to each other at intervals of 60 degrees.
Are formed respectively.

Spool support shafts 12 are rotatably supported by bearings at the six spool support portions 13, respectively. A disc-shaped spool receiving portion 14 is provided on one end side of the spool support shaft 12, and a braking disc 11 is fixed to the other end side thereof. The spool 7 can be mounted on each spool support shaft 12. As the wire is pulled out from the spool 7, the spool 7 rotates at high speed together with the spool support shaft 12, so that the spool 7 being rewound is firmly supported at both ends thereof. That is, one end of the spool 7 is supported by the spool receiving portion 14, and the other end receives a force pressed by the spool holding mechanism 8 to the spool receiving portion 14.

The support frame 1 is supported by a fixed shaft 21 passing through the center of the support frame 1 via a bearing 22, and is rotatable with respect to the fixed shaft 21. By rotating the support frame 1, the 6 splines supported by it
You can change the position of the le. When the spool winding wire is actually rewound, from the single spool 7 at the position (supply position) of the spool 7 (A) shown in FIG. 2, for example, the spool supply base shown in FIG. The wire is supplied in the same manner as in the above case. When one spool winding wire is completed, by rotating the support frame 1 by 60 degrees, another spool winding wire is moved to the supply position, so that the wire is immediately replaced and the rewinding work is continued. can do. The spool 7 in the supply position is held by a spool holding mechanism 8 so as not to come off from the support frame 1 during rotation.

By the way, when the supply speed of the wire is changed, such as at the beginning of rewinding or when the wire is temporarily stopped, the spool winding wire is slackened, or a part of the wire easily comes off the spool. In order to prevent such a problem, the device of this embodiment has two characteristic mechanisms. That is, one is a braking mechanism 3 for braking against the rotation of the spool 7, and the other is a wire having a spool 7.
It is the pressing mechanism 5 which prevents the pressing mechanism 5 from coming off. Briefly, the braking mechanism 3 stops the rotation of the braking disc 11 fixed to the spool support shaft 12 to stop the spool.
Stop the rotation of Le7. Braking is turned on / off by driving the air cylinder 4. The pressing mechanism 5 contacts the circumferential surface of the wire wound around the spool 7 and prevents the slackened wire from coming off the spool 7. The pressing operation is turned on / off by driving the air cylinder 6.

FIG. 4 shows details of the structure of the spool support mechanism 8 and its surroundings. This will be described with reference to FIG. An air cylinder 84 is fixed in the housing 85 of the spool support mechanism 8, and a slider 83 is installed slidably in the direction of arrow A4. The slider 83 is an air cylinder 84.
Is connected to the rod 84a. The clamper 81 includes a disc-shaped portion 81 a for pressing the spool 7, the spool support shaft 1
The support shaft 81c is rotatably supported in the slider 83 via the bearing 82. By driving the air cylinder 84, the clamper 81 can be positioned at the holding position shown by the solid line and the retracted position shown by the chain double-dashed line. That is, when the support frame 1 is rotated to move (replace) the spool 7, the clamper 81 is positioned at the retracted position, and when the wire is rewound, the clamper 81 is moved.
To move to the holding position to support the spool 7. The tip of the spool support mechanism 8 is supported by a spring 86 to allow the spool 7 to be displaced.

The construction of the braking mechanism 3 is shown in FIGS. 5, 6 and 7. 5 is a front view of the braking mechanism 3 (a view as seen from the line VV in FIG. 3), FIG. 6 is a plan view, and FIG. 7 is a right side view. The braking mechanism 3 will be described with reference to FIGS. 5, 6 and 7. Another braking disc 31 is installed near the braking disc 11 at the rewinding position. Braking disc 3
A rotary shaft 33a of a fixed powder brake 33 is connected to the center of the shaft 1. On the other hand, the bracket 34 installed at the tip of the rod 41 of the air cylinder 4 has a shaft 35
The intermediate disk 32 is rotatably supported via. The intermediate disk 32 is made of rubber. Further, the intermediate disc 32 is located at an intermediate position between the two braking discs 11 and 31, and is driven by the air cylinder 4 to move in the direction of arrow A5 to come into contact with the respective circumferential surfaces of the two braking discs 11 and 31 at the same time. It is positioned at the braking position or a retracted position away from them.

That is, by pressing the intermediate disc 32 against the two braking discs 11 and 31, the braking disc 11 is pushed through the intermediate disc 32.
The powder brake 33, which is connected to the brake disc 31 and is connected to the brake disc 31, is connected to the brake disc 11, so that the rotational movement of the brake disc 11 is braked. Spool 7
Is connected to the braking disc 11 via the spool support shaft 12, so that if the braking disc 11 is braked, the rotation of the spool 7 is also braked.

The structure of the pressing mechanism 5 is shown in FIG. 8, FIG. 9 and FIG.
0 in detail. FIG. 8 is a front view (a partially enlarged view of FIG. 2) of the pressing mechanism 5, FIG. 9 is a plan view, and FIG. 10 is a right side view. The pressing mechanism 5 will be described with reference to FIGS. 8, 9 and 10. Two arms 53 and 54 are fixed to a bracket 55 fixed to the tip of the rod 6a of the air cylinder 6. One arm 53 is tilted slightly downward, and the other arm 54 is tilted upward. A
The roller 51 is rotatably supported by a pin provided at the tip of the arm 53, and the roller 52 is rotatably supported by a pin provided at the tip of the arm 54. Two a
Due to the difference in the inclination of the frames 53 and 54, the two rollers 51 and 52 are arranged slightly offset from each other in the vertical direction.

By driving the air cylinder 6, the rollers 51 and 52 move in the direction of arrow A8. That is, when the rod 6a is pushed out, the pressing mechanism 5 moves in the direction approaching the center of the spool 7, so that the rollers 51 and 52 come into contact with the peripheral surface of the wire wound around the spool 7. When the rod 6a is retracted, the rollers 51 and 52 are retracted in the direction away from the wire. Rollers 51 and 52 are scroll 7
In the state of abutting on the peripheral surface of the wire wound around the wire, even if the wire sags, the rollers 51 and 52 support the wire, so that the wire does not come off the spool 7.
Further, since the rollers 51 and 52 are rotatable, even if they are in contact with the peripheral surface of the wire, the rollers 51 and 52 can be rotated.
The la 51 and 52 do not hinder the rotation of the wire and the spool 7, and there is no fear of damaging the wire.

The above-described positioning of the spool holding mechanism 8 to the pressing position and the retracted position is performed in response to the switch operation of the operator. Further, the braking mechanism 3 and the pressing mechanism 5 are normally positioned at a predetermined retracted position, and when a temporary stop instruction is detected, the braking mechanism 3 and the pressing mechanism 5 are synchronized with the operating states of other mechanisms (the take-up capstan and the winder). , Is positioned at the braking position and the pressing position. Although the positioning of the braking mechanism 3 to the braking position and the positioning of the holding mechanism 5 to the holding position may be performed simultaneously, the holding mechanism 5 is first positioned to the holding position, and then the braking mechanism 3 is positioned to the braking position. Good. In addition, when slack is likely to occur as in the beginning of the rewinding operation, the braking mechanism 3 is temporarily fixed at the retracted position even when there is no temporary stop instruction, and the pressing mechanism 5 is temporarily pressed.
May be positioned at the holding position.

[0026]

As described above, according to the present invention, since each spool is rotatably supported by the spool support means, the spool is wound around by being rotated. It is possible to pull out the wire continuously and at high speed. Moreover, in the present invention, the rotation of the spool can be quickly stopped and the slack of the wire can be minimized by driving the braking drive means and moving the rotary braking means to a predetermined position. Further, according to the present invention, by driving the wire pressing driving means, the wire pressing means can be moved to the position where it abuts on the wire. Therefore, even if some slack occurs in the wire, it can be prevented from coming off the spool. It can be prevented. Further, since the rotation braking means and the wire pressing means can be moved to the retracted positions respectively, they do not interfere with the rotation of the spool and the wire during the normal rewinding work, and the wire is supplied at a high speed. You can.

Further, in the present invention, a plurality of spools can be simultaneously mounted on the spool supporting means, and moreover,
Since the spool moving means rotatably supports the spool supporting means around a central shaft at a position where a plurality of spools are arranged, each spool has a central shaft. Axial symmetry with respect to each other (distances to the axis are equal to each other), and when the spool supporting means is rotated, all the spools revolve and move, and move to positions corresponding to the amount of revolution. Therefore, if a plurality of spool winding wires are loaded in advance in the spool supporting means, the spool to be rewound can be exchanged by simply rotating the spool supporting means. As a result, a plurality of spool loading operations can be performed at one time, which improves the efficiency of the operation.

Further, as in the above-mentioned embodiment, a disk-shaped member is provided on each shaft for rotatably supporting each spool of the spool support means, and the rotary braking means is located at a position opposed to the disk-shaped member. By installing it on, there is no fear of damaging the spool during braking, and more reliable braking can be expected.

Further, as in the above embodiment, by providing a rotatable roller at the tip of the wire pressing means,
Even when the wire pressing means is in contact with the wire, it does not generate a force that restrains the movement of the wire and the rotation of the spool, so the wire does not easily come off the spool, and the wire pressing means may damage the wire. Also disappears.

[Brief description of drawings]

FIG. 1 is a partially cutaway front view showing the entire apparatus of an embodiment.

2 is a right side view of the device of FIG. 1. FIG.

3 is a partially cutaway plan view of the device of FIG. 1. FIG.

FIG. 4 is a vertical cross-sectional view showing the vicinity of the spool holding mechanism 8 of FIG.

5 is an enlarged front view showing a braking mechanism 3 shown in FIG.

6 is a cross-sectional view showing the braking mechanism 3 of FIG.

7 is a right side view showing the braking mechanism 3 of FIG.

FIG. 8 is an enlarged front view showing the pressing mechanism 5 of FIG.

9 is a plan view showing the holding mechanism 5 of FIG. 8. FIG.

10 is a right side view showing the holding mechanism 5 of FIG.

FIG. 11 is a plan view showing a conventional wire rewinding facility.

12 is a front view of the equipment of FIG. 11. FIG.

[Explanation of symbols]

1: Support frame 3: Braking mechanism 5: Pressing mechanism 4, 6: Air cylinder 7: Spool 8: Spool holding mechanism 11: Braking disc 12: Spool supporting shaft 13: Spool supporting portion 14: Spool receiving part 21: Fixed shaft 22: Bearing 31: Braking disc 32: Intermediate disc 33: Powder brake 33a: Rotating shaft 34: Bracket 35: Shaft 41: Rod 51, 52: Roller 53, 54 : Arm 55: Bracket 81: Clamper 81a: Disc part 8
1 81b: Recess 81c: Support shaft 82: Bearing 83: Slider 84: Air cylinder 84a: Rod 85: Housing 86: Spring

Claims (3)

[Claims] 1. A spool support means for rotatably supporting a plurality of spools respectively; the spool support means being centered on a central axis at a position where the plurality of spools are arranged. Moving means for rotatably supporting as; rotating braking means;
Braking drive means, wire pressing means, for positioning the rotation braking means at a position where it abuts a member that rotates with the rotation of at least one spool and at a predetermined retracted position;
And a spool holding wire supporting device comprising wire holding driving means for positioning the wire holding means at a position where it abuts the wire wound around at least one spool and a predetermined retracted position. 2. The spool support means is provided for each spool.
The rotary braking means includes a plurality of rotatable shafts supporting one end of each shaft and a disc-shaped member installed at the other end of each shaft.
The spool winding wire supporting device according to claim 1, wherein the spool winding wire supporting device is installed at a position facing the disc-shaped member. 3. The spool winding wire supporting device according to claim 1, wherein the wire pressing means is provided with at least one rotatable roller at a tip thereof.