JP2008254025A - Wire feeding holder - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a wire feeding holder capable of easily holding a wire and enhancing workability. <P>SOLUTION: The wire feeding holder 5 includes: a hand-held holder body 51; a magnet 52 installed in the inner wall of this holder body 51; a distal end guiding passage 53 that is provided at the distal end of the holder body 51 and that guides a linear wire 6 formed with a magnetic material: and a rear end guiding passage 54 that is provided at the rear end of the holder body 51 and that guides the wire 6. <P>COPYRIGHT: (C)2009,JPO&INPIT

Description

    The present invention relates to a wire supply holder, and more particularly, to a wire supply holder that can easily hold a wire and can improve workability.

Conventionally, in a welding apparatus for repairing a worn mold or the like, as shown in FIG. 5, the mold 100 is fixed on a moving table 101, the wire 102 is placed on the right hand, and the moving table 101 is placed on the left hand. The left and right handles 103 to be moved to the front and the front and rear handles 104 to move the movable base 101 in the front and rear direction are respectively provided, and the portion to be repaired of the mold 100 is repaired or welded by laser light.
In FIG. 5, reference numeral 105 denotes a laser beam emitting device that emits a laser beam for overlaying or welding, 106 denotes an inert gas supply member that guides an inert gas, and 107 denotes a light source. .

However, in the above-described repair welding apparatus, the left and right handles 103 or the front and rear handles 104 are operated with the left hand to move the mold and allow the wire 102 to move. Have to make direct holding adjustments,
In addition, since the thin wire 102 is directly held by hand, it is easily damaged by the laser beam. Particularly, when the wire 102 is used, the end of the wire 102 is close to the laser beam. .
In addition, when the length of the wire 102 is shortened to about 30 mm to about 40 mm by use, for example, the wire 102 cannot be held by hand, and the wire 102 must be discarded, and the wire 102 is wasted. There was a point.

    An object of the present invention is to provide a wire supply holder that eliminates the above-mentioned problems.

    The wire supply holder according to the present invention guides a wire formed of a magnetic material while being provided at the tip of the holder main body, a magnet provided on the inner wall of the holder main body, and a holder main body grasped by hand. A front end side guide passage and a rear end side guide passage for guiding the wire are provided at the rear end portion of the holder body.

    A wire supply holder according to claim 2 is the wire supply holder according to claim 1, wherein a nozzle is attached to the tip of the holder body.

    According to a third aspect of the present invention, there is provided a holder for supplying a wire, wherein the holder main body is held by a hand, is attached to a tip portion of the holder main body, is provided with a nozzle for guiding the wire, and is provided at a rear end portion of the holder main body And a rear end side guide passage for guiding the wire, a resistance guide portion formed in the middle of the nozzle, and the resistance guide portion for guiding the outlet side of the nozzle with respect to the inlet side guide passage of the nozzle. It is a portion where the passage is bent at an angle of 90 ° or less.

    According to a fourth aspect of the present invention, there is provided the wire supply holder according to the first or third aspect, wherein a light emitting diode for a light source is attached to the outside of the holder body.

    The wire supply holder according to claim 5 is the wire supply holder according to claim 1, wherein an inert gas introduction passage is provided for guiding an inert gas from the outside of the holder body into the holder body. The front end of the gas introduction passage faces the inside of the front end side guide passage.

    A wire supply holder according to claim 6 is the wire supply holder according to claim 1 or 3, wherein an inert gas introduction passage for introducing an inert gas into the holder body is connected, and the inert gas introduction passage is provided. The front end of the holder faces the holder body.

    According to the wire supply holder of claim 1, the wire formed of a magnetic material is supplied into the holder main body through the rear end side guide passage, and is guided outside the holder main body from the front end side guide passage. Since the wire is held by the magnetic force of the magnet provided on the inner wall of the holder body, even if the wire is not held and adjusted directly by hand, As the wire moves and stops automatically, the wire automatically moves and stops, so it is easy to hold the wire, and even if the end of the wire is close to the laser beam, the wire is not directly held by hand. Therefore, it is possible to prevent hand damage caused by the laser light and improve workability, and it is possible to use a shortened wire and reduce wire loss.

    Moreover, according to the wire supply holder of claim 2, in addition to the effect of the invention of claim 1, the nozzle is attached to the tip of the holder main body, so that the part to be repaired or welded However, for example, when it is recessed, the wire can be stably guided to the part via the nozzle, and workability can be improved.

    According to the wire supply holder of the third aspect, the wire is supplied into the holder main body through the rear end side guide passage, guided from the tip of the nozzle to the outside of the holder main body, and held by the hand. If you do not hold and adjust the wire directly by hand, the flexible wire bends according to the resistance guide part that is the part to be bent. Since the wire automatically moves and stops following, the wire is easy to hold, and even if the end of the wire is close to the laser beam, the wire is not directly held by hand. As well as improving workability, it is possible to use a shortened wire and to reduce the loss of the wire.

    According to the wire supply holder of claim 4, in addition to the effect of the invention of claim 1 or 3, the light emitting diode for the light source is attached to the outside of the holder body, so Or the site | part to be welded can be illuminated efficiently and workability | operativity can be improved.

    According to the wire supply holder of the fifth aspect, in addition to the effect of the first aspect of the invention described above, an inert gas introduction passage for introducing an inert gas into the holder main body from the outside of the holder main body is provided. Because the tip of this inert gas introduction passage faces the inside of the tip side guide passage, the inert gas can be efficiently guided to the part to be repaired or welded, and the loss of the inert gas can be reduced. Can be reduced.

    According to the wire supply holder of claim 6, in addition to the effect of the invention of claim 1 or 3, the inert gas introduction passage for introducing the inert gas into the holder body is connected. Since the tip of the active gas introduction passage faces the holder body, the inert gas can be efficiently guided to the part to be repaired or welded, and the loss of the inert gas can be reduced.

An embodiment of the wire supply holder of the present invention will be described with reference to the drawings.
1 to 4, reference numeral 1 denotes a welding apparatus for repairing a mold or the like. The welding apparatus 1 for repairing a mold or the like includes a movable table 3 on which a mold 2 to be repaired is placed, and overlay repair or welding. A laser beam emitting device 4 for emitting laser light to be performed, a left and right handle 31 for moving the movable table 3 in the left and right direction, and a front and rear handle 32 for moving the movable table 3 in the front and rear direction. Overlay repair or welding is performed while looking at a repair site such as a mold.

Reference numeral 5 denotes a wire supply holder that can supply a wire 6 made of a magnetic material (the wire 6 is preferably a straight line) to the part to be repaired or welded and can be held by hand. The wire supply holder 5 includes a holder main body 51 that is gripped by a hand, a magnet 52 that is provided on the inner wall of the holder main body 51, and a linear shape that is provided at the tip of the holder main body 51 and is formed of a magnetic material. A magnet provided on the inner wall of the holder main body 51, provided with a front end side guide passage 53 for guiding the wire 6 and a rear end side guide passage 54 for guiding the wire 6. The wire 6 made of a magnetic material is held by the magnetic force of 52.
In addition, the site | part grasped with the hand of the holder main body 51 has comprised the cylindrical shape. Moreover, the diameter of the wire 6 is a thin thing of about 0.1 mm-about 1 mm, for example.

    Accordingly, as shown in FIGS. 1 and 2, the wire 6 formed of a magnetic material is supplied into the holder main body 51 through the rear end side guide passage 54, and is moved out of the holder main body 51 through the front end side guide passage 53. If the holder main body 51 is guided and grasped by hand, the wire 6 is held by the magnetic force of the magnet 52 provided on the inner wall of the holder main body 51 without the need to directly hold and adjust the wire 6 by hand. As the wire 6 moves and stops from the side to be repaired or welded automatically, the wire 6 automatically moves and stops, so that the wire 6 can be easily held, and the end of the wire 6 is attached to the laser beam. Even if they are close to each other, since the wire 6 is not directly held by hand, it is possible not only to prevent hand damage caused by the laser beam and improve workability, but also to use a shortened wire 6, and loss of the wire 6. Can also reduce Kill.

Reference numeral 7 denotes a light-emitting diode for a light source attached to the outside of the holder main body 51.
The tip side guide passage 53 of the wire supply holder 5 has a tapered inclined surface that tapers toward the tip of the holder body 51, and the light-emitting diode 7 for the light source described above is disposed outside the inclined surface, for example, A plurality, four in this embodiment, are provided.
The light emitting diode 7 for the light source can efficiently illuminate the part of the mold 2 to be repaired.
Further, the wire supply holder 5 is provided with an inert gas introduction passage 8 for introducing an inert gas (for example, argon gas) into the holder body 51 from the outside of the holder body 51. The tip is configured to face the inside of the tip side guide passage 53.
In this way, the conventional inert gas supply member 106 and the light source 107 (see FIG. 5), the light emitting diode 7 for the light source as shown in FIG. In addition, the inert gas introduction passages 8 are integrated in the holder main body 51 so as to be provided respectively.
The above inert gas (for example, argon gas) is used to shield the periphery of the portion to be repaired or welded so as not to be oxidized. In this embodiment, the overlaying repair or welding is performed. Thus, the inert gas can be efficiently guided to the portion to be formed, and the loss of the inert gas can be reduced.
In the present embodiment, the tip of the inert gas introduction passage 8 is configured to face the inside of the tip-side guide passage 53. However, the present invention is not limited to this and is not illustrated. Alternatively, an inert gas introduction passage for introducing an inert gas into the holder main body 51 may be connected so that the tip of the inert gas introduction passage faces the holder main body 51.

Moreover, although the embodiment described above is a wire supply holder 5 that can be applied to the wire 6 made of a magnetic material, the wire supply holder 5 according to the present invention has a wire 6 ′ (wire 6 ′ is desirable). Can be applied to a non-magnetic material.
That is, as shown in FIGS. 3A and 3B, a nozzle 53 ′ is attached to the tip of the holder main body 51, the wire 6 is guided by the nozzle 53 ′, and the resistance guide portion 53 ′ is provided in the middle of the nozzle 53 ′. c is formed.
The resistance guide portion 53′c is a portion where the linear outlet side guide passage 53′b of the nozzle 53 ′ bends at an angle of 90 ° or less with respect to the linear inlet side guide passage 53′a of the nozzle 53 ′. Therefore, the angle is preferably an acute angle θ formed in a clockwise direction, and the portion may be angular as shown in FIGS. 3 (a) and 3 (b). As shown in FIGS. 4A, 4B, and 4C, the angle θ is more preferably about 15 ° to about 45 °. Good range.
The attachment of the nozzle 53 ′ to the tip of the holder body 51 may be fixed or detachable, and the nozzle 53 ′ is attached to the tip of the holder body 51 so as to be rotatable. 53 ′ may be configured to face an arbitrary direction, or the nozzle 53 ′ itself is formed of a flexible member, and the nozzle 53 ′ is configured to maintain an arbitrary direction or an arbitrary angle. Also good.

In the wire supply holder 5 of this embodiment (FIGS. 3 to 4), similarly to the above-described embodiment, the wire 6 ′ is connected to the rear end side guide passage (not shown, but the same as the above-described embodiment). While being supplied into the holder main body 51 through the rear end side guide passage 54) and guided out of the holder main body 51 from the tip of the nozzle 53 'and grasping the holder main body 51 by hand, the wire 6' is directly moved by hand. Even if the holding adjustment is not performed, the flexible wire 6 ′ bends according to the resistance guide portion 53′c, which is a bending portion. Therefore, the wire 6 ′ is moved or stopped from the side to be repaired or welded. Since it automatically moves and stops following, the holding of the wire 6 'is easy, and even if the end of the wire 6' is close to the laser beam, the wire 6 'is not directly held by hand. In addition to preventing hand damage from laser light and improving workability, Ku is wire 6 'also can be used, the wires 6' can also reduce the loss of.
In particular, since the nozzle 53 ′ is formed in a thin pipe shape, the portion to be repaired or welded is suitable for overlaying repair or welding of a narrow groove, the bottom surface of the hole, the side surface, etc. 6 can be applied to those formed of a magnetic material. At this time, the angle θ formed by the linear outlet side guide passage 53′b of the nozzle 53 ′ with respect to the linear inlet side guide passage 53′a of the nozzle 53 ′ may be 0 °.

FIG. 1 is a schematic front view of a state in which build-up repair or welding is performed on a mold using a wire supply holder according to an embodiment of the present invention. 2A is a schematic cross-sectional view of the wire supply holder of FIG. 1, and FIG. 2B is a schematic left side view of FIG. 2A. FIG. 3 (a) is another embodiment of the wire supply holder of FIG. 2, and is a schematic partial cross-sectional view of a state before mounting the nozzle. FIG. FIG. 3A is a schematic partial cross-sectional view showing a state in which the nozzle of a) is mounted, and FIG. 3C is a schematic partial enlarged cross-sectional view of another embodiment of the wire supply holder of FIG. . 4A to 4C show a state where the resistance guide portion is bent at an angle of 90 ° or less with respect to the inlet side guide passage of the nozzle. 4A is a schematic diagram showing that the angle is 45 degrees, FIG. 4B is an angle of 30 degrees, and FIG. 4C is an angle of 15 degrees. FIG. 5 is a schematic front view of a conventional example in a state in which build-up repair or welding is performed on a mold by holding a wire by hand.

Explanation of symbols

DESCRIPTION OF SYMBOLS 5 Wire supply holder 51 Holder main body 52 Magnet 53 Front end side guide path 54 Rear end side guide path 6 Wire

Claims (6)

A holder body to be grasped by hand;
A magnet provided on the inner wall of the holder body;
A tip-side guide passage that is provided at the tip of the holder body and guides a wire formed of a magnetic material;
A rear end side guide passage that is provided at a rear end portion of the holder body and guides the wire;
It is provided with the holder for wire supply characterized by the above-mentioned. The wire supply holder according to claim 1, wherein a nozzle is attached to a tip of the holder body. A holder body to be grasped by hand;
A nozzle that is attached to the tip of the holder body and guides the wire;
A rear end side guide passage that is provided at a rear end portion of the holder body and guides the wire;
A resistance guide formed in the middle of the nozzle;
The resistance guide section is a portion where the outlet side guide passage of the nozzle is bent at an angle of 90 ° or less with respect to the inlet side guide passage of the nozzle. The light supply diode for light sources is attached to the outer side of the holder main body. The holder for wire supply of Claim 1 or 3 characterized by the above-mentioned. An inert gas introduction passage for introducing an inert gas into the holder body from the outside of the holder body is provided, and the tip of the inert gas introduction passage faces the inside of the tip side guide passage. Item 10. A wire supply holder according to Item 1. The wire supply holder according to claim 1 or 3, wherein an inert gas introduction passage for introducing an inert gas into the holder body is connected, and a tip of the inert gas introduction passage faces the holder body. .

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