JP2019195817A - Wire supply aid - Google Patents

Abstract

To hardly cause kink by a simple structure when a wire is transferred to a new container from a container in current use during the continuous supply of the wire.SOLUTION: A wire supply aid 10 comprises a suction part 11 which is arranged on the outside of first and second cylindrical containers 100 and 200 and which supports the wires A and C so that loci of the wires A and C during supply can be predetermined loci hardly causing kink.SELECTED DRAWING: Figure 5

Description

  The present invention relates to a wire supply auxiliary tool used when supplying a wire wound in a coil shape.

  2. Description of the Related Art Conventionally, for example, automatic welding equipment is configured such that a desired portion can be welded by moving a torch by a robot or the like while continuously supplying a welding wire to the torch. The welding wire is stored in a cylindrical container in a coiled state in advance, and the welding wire stored in the container is sequentially pulled out from the upper end of the container and automatically supplied to the torch. Is done.

  When the remaining amount of welding wire in the container is low, place a new container containing the welding wire next to the currently used container, and terminate the welding wire end of the currently used container. And the starting end of the welding wire housed in a new container. This will be described with reference to FIG. FIG. 7 is a view of a state in which a new container 200 is arranged next to the currently used container 100 as viewed from above. The welding wire A inside the container 100 is drawn in the direction of arrow B, and the terminal end A1 of the welding wire A and the starting end C1 of the welding wire C housed in the new container 200 are connected. Yes. A holding plate 101 is housed inside the container 100, and a holding plate 201 is housed inside the container 200. In this way, the welding wire A of the vessel 100 currently in use is eliminated by connecting the terminal end A1 of the welding wire A and the starting end C1 of the welding wire C accommodated in the new vessel 200. Since the welding wire C accommodated in the new container 200 is automatically supplied to the torch, the welding operation can be continued.

  By the way, since the welding wires A and C are accommodated in the containers 100 and 200 in a state of being bent in a coil shape, kinks occur when the welding wires A and C are pulled out from the containers 100 and 200, and the humps are formed. It is easy to do something like that. In order to suppress this, holding plates 101 and 201 for holding the welding wires A and C from above are accommodated inside the containers 100 and 200, respectively.

  For example, when the welding wire A is continuously pulled out from the container 100 and the number of windings of the welding wire A is large to some extent, the pressing plate 101 as described above is effective. However, when the number of windings of the welding wire A is reduced inside the currently used container 100 as in the case of shifting from the currently used container 100 to the new container 200, as shown in FIG. The wire A is detached from the presser plate 100 and pulled out while being twisted in the air as shown in FIG. When the twisted welding wire A is further pulled, kinks are likely to occur as shown in FIG. The welding wire A in which the kink has occurred becomes a cause of trouble such as being caught by other equipment in the middle of being transferred, and causes the automatic welding equipment to stop.

  Here, as an apparatus which supplies a wire continuously, what is indicated by patent documents 1 and 2, for example is known. The apparatus of Patent Document 1 includes a feeding arm supported so as to be rotatable forward and backward around a vertical axis above a wire supply table, a drive unit that drives the feeding arm, a wire pinching roller, an upper guide roller, and a lower side A guide roller is provided, and when the wire is used up, the wire is continuously supplied by moving the feeding arm to the adjacent wire supply table while rotating the feeding arm.

  The device of Patent Document 2 includes a wire transfer component. The wire transfer component is provided with a wire transfer plate having a retaining groove through which the wire passes from one container to the other. The holding groove is curved, and tangling of the wire is suppressed by the wire passing through the holding groove.

JP-A-6-56344 Japanese Patent Laying-Open No. 2015-530261

  By the way, when the welding wire is continuously supplied, it is conceivable to use a device such as Patent Documents 1 and 2 to smoothly transition from a currently used container to a new container. However, in Patent Document 1, since a rotation mechanism for the feeding arm is required and a rolling mechanism for a plurality of rollers is also required, the structure becomes complicated and the number of movable parts increases, so the probability of failure increases. The frequency of maintenance increases. Therefore, there is a surface which is not suitable as a welding wire supply device of an automatic welding device.

  Moreover, when using the apparatus of patent document 2, although it is necessary to let a welding wire pass to a holding groove, since the welding wire is wound and stored, it has a winding gusset and it is easy to come out from a holding groove. For this reason, it is considered that it is not easy to continuously pass the welding wire through the holding groove while moving the container.

  The present invention has been made in view of such points, and the object of the present invention is to kink with a simple structure when moving from a currently used container to a new container when continuously supplying wires. Is to make it difficult to happen.

  In order to achieve the above object, in the present invention, a wire is sucked to make the locus at the time of supplying the wire a predetermined locus.

  1st invention accommodates the wire wound by the coil shape, and the 1st cylindrical container by which the extraction part of the wire was provided in the upper end part, and accommodated the wire wound by the coil shape, and an upper end part And a second cylindrical container provided with a wire take-out portion in a predetermined direction with respect to the radial direction, and a terminal end portion of the wire accommodated in the first cylindrical container, and the second In the wire supply auxiliary tool used when the wire is continuously supplied by connecting the starting end of the wire accommodated in the cylindrical container, the first cylindrical container and the second cylindrical container It is characterized by having an adsorbing part that is arranged outward and adsorbs the wire so that the trajectory of the wire at the time of supply becomes a predetermined trajectory.

  According to this configuration, when the terminal portion of the wire accommodated in the first cylindrical container and the starting end portion of the wire accommodated in the second cylindrical container are connected to perform continuous supply of the wire, The wires are adsorbed by the adsorbing portion outside the two cylindrical containers. As a result, a restraint force acts on the wire and free movement is suppressed, so that the wire trajectory can be set to a predetermined trajectory so that no kinking occurs on the wire.

  At this time, since only the wire is attracted, there is no moving part, the probability of failure is reduced, and the frequency of maintenance is also reduced. Furthermore, since the wire is restrained by the suction force, the positional deviation of the wire is suppressed as compared with the restraint by the holding groove as in Patent Document 2, and a predetermined locus can be obtained.

  According to a second invention, in the first invention, the wires accommodated in the first cylindrical container and the second cylindrical container are magnetic bodies, and the attracting portion is a magnetic force that attracts the wires. It is comprised by the magnetic force generation part which generate | occur | produces.

  According to this configuration, the wire can be adsorbed by a magnetic force, so that the configuration is further simplified.

  According to a third invention, in the second invention, the attracting portion is a permanent magnet.

  According to this configuration, it becomes possible to attract the wire by magnetic force while making it unnecessary to supply power or the like, so that maintenance or the like is unnecessary.

  According to a fourth aspect of the present invention, in any one of the first to third aspects, the adsorbing unit is configured to view the first cylindrical container and the second cylindrical container from a direction orthogonal to the predetermined direction. It is arranged between the center line of the first cylindrical container and the center line of the second cylindrical container in a side view.

  According to this configuration, by constraining the wire between the center lines of the first cylindrical container and the second cylindrical container, the wire can be guided so that no kinking occurs in the wire.

  According to a fifth aspect of the present invention, in any one of the first to fourth aspects, the upper surface of the suction portion is disposed above the upper end portions of the first cylindrical container and the second cylindrical container. In addition, a suction surface for sucking the wire is used.

  According to this configuration, since the wires are adsorbed above the take-out portions of the first cylindrical container and the second cylindrical container, the wires can be reliably guided in the take-out direction.

  A sixth invention is characterized in that, in the fifth invention, there is provided an attachment member for attaching the suction portion to the first cylindrical container or the second cylindrical container.

  According to this configuration, since the adsorption part can be attached to the first cylindrical container or the second cylindrical container, the upper surface of the adsorption part is the upper end part of the first cylindrical container or the second cylindrical container. Can be easily disposed above.

  In a seventh aspect based on the sixth aspect, the attachment member is a clamping member that clamps an edge of an opening formed in an upper end portion of the first cylindrical container or the second cylindrical container. It is characterized by having.

  According to this configuration, the attachment member can be easily fixed by sandwiching the edge of the opening of the first cylindrical container or the second cylindrical container with the sandwiching member.

  According to an eighth invention, in any one of the first to seventh inventions, the suction force of the wire by the suction portion is such that the wire is plastically deformed when an external force in the separation direction acts on the suctioned wire. It is characterized in that it is set so as to be detached from the adsorbing portion before the occurrence.

  That is, if the attracting force by the attracting part is too strong, it will continue to be attracted even if an external force in the direction away from the attracting part acts on the wire, which causes the wire to plastically deform and cause kinks. It is conceivable that the state will be close to. In the present invention, when an external force acting in a direction away from the attracting portion is applied to the wire, the wire is detached from the attracting portion before causing plastic deformation, so that the wire can be prevented from undergoing plastic deformation. .

  According to the present invention, when the terminal portion of the wire accommodated in the first cylindrical container and the starting end portion of the wire accommodated in the second cylindrical container are connected to perform continuous supply of the wire, Since the wire trajectory at the time of supply becomes a predetermined trajectory by sucking the wire, kinks can be made difficult to occur with a simple structure.

It is a side view which shows the state which attached the wire supply auxiliary tool which concerns on embodiment to the 1st cylindrical container. It is a top view which shows the state which attached the wire supply auxiliary tool which concerns on embodiment to the 1st cylindrical container. It is a perspective view which shows the state which is supplying the wire for welding from the 1st cylindrical container. It is a perspective view which shows the state before connecting the terminal part of the welding wire of a 1st cylindrical container, and the start end part of the welding wire of a 2nd cylindrical container. It is a perspective view which shows the state which connected the termination | terminus part of the welding wire of a 1st cylindrical container, and the start end part of the welding wire of a 2nd cylindrical container, and was made to adsorb | suck to an adsorption | suction part. It is a top view which shows the state which connected the termination | terminus part of the welding wire of the 1st cylindrical container, and the start end part of the welding wire of the 2nd cylindrical container, and was made to adsorb | suck to an adsorption | suction part. It is a top view which shows the state which arranged two containers and connected the termination | terminus part and starting-end part of the wire for welding. It is a top view which shows the state twisted in the middle of pulling out the welding wire. It is a perspective view which shows the state twisted in the middle of pulling out the welding wire. It is a perspective view which shows the state in which the kink occurred in the welding wire in the middle of supply.

  Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings. It should be noted that the following description of the preferred embodiment is merely illustrative in nature, and is not intended to limit the present invention, its application, or its use.

  FIG. 1 shows a use state of a wire supply assisting tool 10 according to an embodiment of the present invention. This wire supply assisting tool 10 is an instrument used when supplying a wire wound in a coil shape, and examples of the wire include a metal wire such as a welding wire. The wire is a magnetic material.

  Moreover, the wire supply auxiliary tool 10 can be used as, for example, an instrument constituting a part of an automatic welding facility or an automatic welding apparatus. Although not shown, the automatic welding equipment and the automatic welding apparatus include a feeding device that automatically feeds the welding wire at a predetermined speed, a welding torch, an industrial robot that moves the welding torch, and a control device. Yes. The welding wire fed by the feeding device reaches the tip of the welding torch. And it is possible to weld a desired location continuously by moving a welding torch by an industrial robot while feeding a welding wire by a feeding device. For example, an automatic welding facility or an automatic welding apparatus can be introduced into a production line for automobile parts that require a welding process, and thereby, automobile parts can be produced continuously.

  FIG. 1 is a view of the first cylindrical container 100 as viewed from the side, and FIG. 3 is a view of the first cylindrical container 100 as viewed obliquely from above. The first cylindrical container 100 is arranged such that the center line D (shown in FIGS. 2 and 4) extends in the vertical direction. As shown in FIG. 3, a welding wire A wound in a coil shape is accommodated in the first cylindrical container 100. The first cylindrical container 100 and the welding wire A are conventionally known. The upper end portion 100a of the first cylindrical container 100 is provided with an opening portion 100b as an extraction portion for the welding wire A accommodated therein. The opening 100 b is a circular shape whose center is located on the center line D of the first cylindrical container 100, and is open to substantially the entire upper end surface of the first cylindrical container 100. The direction of taking out the welding wire A accommodated in the inside is upward, and is the direction of arrow B shown in FIGS. 4 and 5. The welding wire A is taken out by the feeding device.

  A holding plate 101 is accommodated in the first cylindrical container 100 so as to be movable in the vertical direction. The holding plate 101 is placed on the upper part of the coiled welding wire A housed in the first cylindrical container 100, and is a plate for holding the welding wire A from above. . The welding wire A has a coil shape, and is sequentially taken out from the upper part, and the lower part is taken out last. Therefore, when the welding wire A is taken out from the inside of the first cylindrical container 100 and is reduced, the holding plate 101 is gradually lowered.

  The holding plate 101 is made of a material having a weight that becomes a weight, such as metal, and has a donut shape formed along the inner peripheral surface of the first cylindrical container 100. The center of the pressing plate 101 and the center line D of the first cylindrical container 100 substantially coincide with each other. The presser plate 101 is formed with a through hole 101 a for taking out the welding wire A below the presser plate 101 to the upper side of the presser plate 101. The through hole 101 a is formed in a circular shape having a center that substantially coincides with the center line D of the first cylindrical container 100.

  When the remaining amount of the welding wire A accommodated in the first cylindrical container 100 decreases, as shown in FIG. 4, the second cylinder as a new container in which the welding wire C is accommodated. The cylindrical containers 200 are arranged next to the currently used first cylindrical container 100, and as shown in FIG. 5, the end portion A1 of the welding wire of the first cylindrical container 100 and the second cylinder The starting end C1 of the welding wire C accommodated in the cylindrical container 200 is connected.

  The second cylindrical container 200 is the same as the first cylindrical container 100, and the welding wire C accommodated in the second cylindrical container 200 is also accommodated in the first cylindrical container 100. It is the same as the welding wire A. The upper end portion 200a of the second cylindrical container 200 is provided with an opening portion 200b as a portion for taking out the welding wire C. The center line E of the second cylindrical container 200 extends in the vertical direction in the same manner as the center line D of the first cylindrical container 100. The welding wire C is wound and coiled in the same manner as the welding wire A. On the welding wire C, a pressing plate 201 having a through hole 201a is placed.

  As shown in FIGS. 2 and 4, the first cylindrical container 100 and the second cylindrical container 200 are arranged so as to be aligned in a predetermined direction with respect to the radial direction of both cylindrical containers 100 and 200. . And as shown in FIG. 5, the terminal part A1 of the welding wire A accommodated in the 1st cylindrical container 100, and the start end part C1 of the welding wire C accommodated in the 2nd cylindrical container 200, Are connected continuously.

(Configuration of Wire Supply Aid 10)
The wire supply auxiliary tool 10 connects the terminal end portion A1 of the welding wire A accommodated in the first cylindrical container 100 and the start end portion C1 of the welding wire C accommodated in the second cylindrical container 200. This is an instrument used when continuously supplying a welding wire. The wire supply assisting tool 10 includes a suction portion 11 and an attachment member 12. The attracting part 11 is a part configured to be able to attract the welding wires A and C. In this embodiment, the permanent magnet as a magnetic force generating part that generates a magnetic force to attract the welding wires A and C. However, it may be composed of an electromagnet or the like, for example. Moreover, the adsorption | suction part 11 should just be what can adsorb | suck the welding wires A and C, and is not restricted to a magnet, It can comprise with various adsorption | suction means.

  The adsorption unit 11 is disposed outside the first cylindrical container 100 and the second cylindrical container 200, and the first cylindrical container 100 and the second cylindrical container 200 are arranged in the predetermined direction. It is disposed between the center line D of the first cylindrical container 100 and the center line E of the second cylindrical container 200 in a side view as viewed from the orthogonal direction. That is, since the first cylindrical container 100 and the second cylindrical container 200 are arranged apart from each other in the radial direction as described above, the first cylindrical container 100 and the second cylindrical container 200 There will be a gap between them. And when seen from the direction in which the gap between the first cylindrical container 100 and the second cylindrical container 200 can be seen most widely in the side view of the first cylindrical container 100 and the second cylindrical container 200, The suction portion 11 is located between the center line D and the center line E. In this embodiment, the adsorbing part 11 is attached to the first cylindrical container 100, and covers the gap between the first cylindrical container 100 and the second cylindrical container 200, and the first The cylindrical container 100 is arranged near the center line D.

  The upper surface 11a of the suction portion 11 is a surface that sucks the welding wires A and C, and is disposed above the upper end portions 100a and 200a of the first cylindrical container 100 and the second cylindrical container 200. . Moreover, the upper surface 11a of the adsorption | suction part 11 is extended substantially horizontal. The upper surface 11a of the suction part 11 is not formed with a groove or the like into which the welding wires A and C are fitted, and the upper surface 11a of the suction part 11 can be a flat surface, for example. As a result, the welding wires A and C are not caught on the upper surface 11a of the suction portion 11.

  The attachment member 12 is a member for attaching the adsorption portion 11 to the first cylindrical container 100 or the second cylindrical container 200, and the upper end portion of the first cylindrical container 100 or the second cylindrical container 200. A pinching member 12a for pinching edges of the openings 100b and 200b formed in the holes 100a and 200a and a stay member 12b are provided. As the holding member 12a, a member configured to grip the edge of the first cylindrical container 100 or the second cylindrical container 200 in the thickness direction can be used, and examples thereof include a clip and a clamp. In addition, a structure in which the edge portion is clamped by a tightening force of a bolt or a screw may be used. By using the holding member 12 a, the position of the suction portion 11 can be freely changed in the circumferential direction of the first cylindrical container 100 or the second cylindrical container 200. Moreover, you may provide the member fastened and fixed to the edge part of the 1st cylindrical container 100 or the 2nd cylindrical container 200 instead of the clamping member 12a. For fastening and fixing, bolts, nuts, screws, and the like can be used.

  The stay member 12b can be configured by a plate material, a bar material, or the like extending from the clamping member 12a. The base end portion of the stay member 12b is fixed to the clamping member 12a. The suction part 11 is fixed to the tip of the stay member 12b. The stay member 12b and the sandwiching member 12a are located below the upper surface 11a of the suction part 11, and the welding wires A and C attracted to the upper surface 11a of the suction part 11 contact the stay member 12b and the sandwiching member 12a. It is difficult to do.

  Note that the stay member 12b of the mounting member 12 may be omitted. For example, the suction portion 11 may be directly fixed to the clamping member 12a. Further, the stay member 12b may have a linearly extending shape or a bent and extending shape.

  The adsorption part 11 is a part that adsorbs the welding wires A and C so that the trajectories of the welding wires A and C at the time of supply become a predetermined trajectory. Here, the predetermined trajectory is as large as possible while preventing the welding wires A and C during supply from being tangled or tangled like the function of the holding groove disclosed in Patent Document 2, for example. It is a trajectory that can be curved with a curvature so that kinks do not occur in the middle. By drawing such a trajectory, the welding wires A and C at the time of supply can be fed so as not to have a shape that finally becomes a kink (a shape as shown in FIG. 9). This predetermined trajectory may vary depending on the material, alignment, winding radius at the time of accommodation, supply speed, etc. of the welding wires A and C, and thus it is difficult to define them uniformly. By trying, it is possible to derive a predetermined trajectory without any special know-how. The predetermined trajectory does not have to be a single line and can have a certain range, and if the welding wires A and C at the time of supply pass within the range, the possibility of kinking on the way is extremely low. Become.

  The attracting force of the attracting part 11 can be arbitrarily adjusted by the strength of the generated magnetic force. In this embodiment, the adsorbing force of the welding wires A and C by the adsorbing portion 11 is such that the welding wires A and C are plastic when an external force in the detaching direction acts on the adsorbing welding wires A and C. It is set so as to be detached from the suction portion 11 before the deformation occurs. That is, the welding wires A and C adsorbed by the adsorbing portion 11 are pulled in the direction of arrow B shown in FIG. 5 by the feeding device, but the shapes of the welding wires A and C are as illustrated. Because of the complexity, the force in the direction along the upper surface 11a of the suction part 11 and the force in the direction perpendicular to the upper surface 11a change for the portions of the welding wires A and C that are attracted to the suction part 11. Will work. When the force in the direction along the upper surface 11a of the suction portion 11 is increased, the welding wires A and C move while sliding on the upper surface 11a of the suction portion 11, whereby the trajectories of the welding wires A and C are obtained. The movement of the welding wires A and C is constrained so as to have a predetermined trajectory where no kink occurs. At this time, since the welding wires A and C slide on the upper surface 11a of the suction portion 11, there is almost no possibility that the welding wires A and C are plastically deformed.

  On the other hand, when the force in the direction orthogonal to the upper surface 11a of the suction portion 11 (force in the direction of arrow B) increases with respect to the portion of the welding wires A and C that are attracted to the suction portion 11, the welding wire A, An external force in a direction of separating from the upper surface 11a of the suction portion 11 acts on C greatly. If the welding wires A and C are continuously adsorbed to the adsorbing portion 11 against the force in this direction, the welding wires A and C are bent until the shape is not restored and cause plastic deformation. If the middle of the welding wires A and C is bent, the feeding by the feeding device may not be performed smoothly. Therefore, the adsorbing part 11 prevents the welding wires A and C from undergoing plastic deformation. The adsorption power by is set. Specifically, the force in the direction of arrow B increases with respect to the portion adsorbed by the adsorbing portion 11 in the welding wires A and C, and in the region where the welding wires A and C are elastically deformed, It continues to be attracted to the attracting part 11, so that the trajectories of the welding wires A and C become a predetermined trajectory that does not cause kinking. In the region where the force in the direction of arrow B is further increased with respect to the portion of the welding wires A and C adsorbed by the adsorbing portion 11, the welding wires A and C begin to be plastically deformed, so The plastic deformation of the welding wires A and C is suppressed by separating A and C.

(Usage method of wire supply auxiliary tool 10)
As shown in FIG. 3, in the state where the welding wire A wound in a coil shape is sufficiently accommodated in the first cylindrical container 100, the wire supply assisting tool 10 is not used. As shown in FIG. 4, the wire supply assisting tool 10 is attached to the first cylindrical container 100 before the welding wire A inside the first cylindrical container 100 reaches the remaining several turns. When attaching the wire supply assisting tool 10 to the first cylindrical container 100, the edge of the first cylindrical container 100 is clamped in the thickness direction by the clamping member 12 a of the mounting member 12. At this time, as described above, the adsorbing part 11 is located outside the first cylindrical container 100 and the second cylindrical container 200 and in the side view with the center line D of the first cylindrical container 100. It arrange | positions between the centerline E of the 2nd cylindrical container 200. FIG. Note that the edge of the second cylindrical container 200 may be sandwiched in the thickness direction by the sandwiching member 12a of the attachment member 12. Also in this case, the suction part 11 is arranged similarly.

  Further, the end portion A1 of the welding wire A accommodated in the first cylindrical container 100 is taken out of the first cylindrical container 100, and the welding wire accommodated in the second cylindrical container 200 is provided. The terminal end C1 of C is taken out of the second cylindrical container 200. Thereafter, the end portion A1 of the welding wire A and the end portion C1 of the welding wire C are butt welded (butt welding).

  Next, as shown in FIG. 5, the vicinity of the terminal end A <b> 1 of the welding wire A and the vicinity of the terminal end C <b> 1 of the welding wire C are placed on the upper surface 11 a of the suction part 11 of the wire supply auxiliary tool 10 and are sucked by the suction part 11. . During this time, the welding wire A continues to be supplied in the direction of the arrow B. When the remaining amount of the welding wire A decreases as shown in the figure, the welding wire A is detached from the holding plate 101 and bent in the air. become. At this time, since the welding wires A and C are adsorbed to the adsorbing portion 11 so that the trajectories of the welding wires A and C at the time of supply become a predetermined trajectory, the shapes as shown in FIGS. It is hard to become. Therefore, the occurrence of kinks in the welding wires A and C is suppressed. In particular, by constraining the welding wires A and C between the center lines D and E of the first cylindrical container 100 and the second cylindrical container 200, kinks do not occur in the welding wires A and C. The welding wires A and C can be guided. Further, since the welding wires A and C are adsorbed above the openings 100b and 200b of the first cylindrical container 100 and the second cylindrical container 200, the welding wires A and C are taken out. Can be surely guided.

  Thereafter, when the welding wires A and C are further fed, the force in the direction of arrow B acting on the welding wires A and C increases, and the welding wires A and C are attracted before plastic deformation occurs. Depart from part 11. After the welding wire A is supplied, the welding wire C accommodated in the second cylindrical container 200 is supplied. As described above, the welding wires A and C can be continuously supplied.

(Effect of embodiment)
As described above, according to this embodiment, the end portion A1 of the welding wire A accommodated in the first cylindrical container 100 and the welding wire C accommodated in the second cylindrical container 200 are arranged. The welding wires A and C are adsorbed by the adsorbing part 11 outside the cylindrical containers 100 and 200 when the starting wires C and C are continuously supplied. As a result, a restraining force is applied to the welding wires A and C and free movement is suppressed, so that the trajectories of the welding wires A and C are set to a predetermined trajectory so that no kinks occur on the welding wires A and C. It becomes possible.

  At this time, since only the welding wires A and C are adsorbed, there are no moving parts, the probability of failure is reduced, and the frequency of maintenance is also reduced. Further, since the welding wires A and C are restrained by an adsorption force, the positional deviation of the welding wires A and C is suppressed as compared to the restraint by the holding groove as in Patent Document 2, and a predetermined locus can be obtained. It becomes possible. Therefore, kinks can be made difficult to occur with a simple structure.

  Further, since the attracting portion 11 is composed of a permanent magnet, the welding wires A and C can be attracted by a magnetic force while making it unnecessary to supply power or the like, so that maintenance or the like is unnecessary.

(Other embodiments)
In the above embodiment, the case where the present invention is applied when supplying a welding wire has been described. However, the present invention is not limited thereto, and various wires housed in a cylindrical container in a coiled state are supplied. Can be applied in case.

  The above-described embodiment is merely an example in all respects and should not be interpreted in a limited manner. Further, all modifications and changes belonging to the equivalent scope of the claims are within the scope of the present invention.

  As described above, the wire supply auxiliary tool according to the present invention can be used when supplying various wires accommodated in a cylindrical container in a coiled state.

10 Wire supply auxiliary tool 11 Adsorption part (magnetic force generation part, permanent magnet)
11a Upper surface 12 Mounting member 12a Holding member 100 First cylindrical container 100b Opening (extraction part)
200 2nd cylindrical container 200b Opening part (extraction part)
A, C Welding wire D Center line E of the first cylindrical container E Center line of the second cylindrical container

Claims (8)

A first cylindrical container that houses a wire wound in a coil shape and is provided with an extraction portion of the wire at the upper end portion; and a wire extraction portion that accommodates the wire wound in a coil shape and at the upper end portion And a second cylindrical container provided with a terminal end of a wire accommodated in the first cylindrical container and a second cylindrical container accommodated in the second cylindrical container. In the wire supply auxiliary tool used when connecting the starting end of the wire made and continuously supplying the wire,
It is arranged outside the first cylindrical container and the second cylindrical container, and has an adsorbing part that adsorbs the wire so that the trajectory of the wire at the time of supply becomes a predetermined trajectory. A wire supply auxiliary tool. In the wire supply auxiliary tool according to claim 1,
The wire accommodated in the first cylindrical container and the second cylindrical container is a magnetic body,
The wire feeding auxiliary tool, wherein the suction part is composed of a magnetic force generation part that generates a magnetic force for attracting the wire. The wire supply auxiliary tool according to claim 2,
The wire feeding auxiliary tool, wherein the attracting part is a permanent magnet. In the wire supply auxiliary tool according to any one of claims 1 to 3,
The adsorbing portion includes a center line of the first cylindrical container and the second cylindrical container in a side view when the first cylindrical container and the second cylindrical container are viewed from a direction orthogonal to the predetermined direction. A wire supply auxiliary tool, which is disposed between a center line of a cylindrical container. The wire supply auxiliary tool according to any one of claims 1 to 4,
The upper surface of the suction portion is disposed above the upper end portions of the first cylindrical container and the second cylindrical container, and is a suction surface that sucks the wire. Wire supply aid. In the wire supply auxiliary tool according to claim 5,
A wire supply auxiliary tool comprising an attachment member for attaching the suction portion to the first cylindrical container or the second cylindrical container. In the wire supply auxiliary tool according to claim 6,
The attachment member includes a holding member that holds an edge portion of an opening formed in an upper end portion of the first cylindrical container or the second cylindrical container. . In the wire supply auxiliary tool according to any one of claims 1 to 7,
The attracting force of the wire by the attracting part is set so that the wire is detached from the attracting part before the wire undergoes plastic deformation when an external force in the separating direction is applied to the attracted wire. A wire supply auxiliary tool.

Images