KR101572498B1

KR101572498B1 - Ar Welding Torch Having Auto Transferring Device For Ar Welding Rod

Info

Publication number: KR101572498B1
Application number: KR1020150081030A
Authority: KR
Inventors: 정성용
Original assignee: 정성용
Priority date: 2015-06-09
Filing date: 2015-06-09
Publication date: 2015-11-27

Abstract

According to an embodiment of the present invention, an automatic 8-shaped-weaving argon welding torch (100) having an automatic argon welding rod supply device comprises: a handle unit (110) which can be gripped by hand of a welding worker, wherein a connection unit (120) to which argon gas and high frequency power supplied is connected to one end thereof; a transport unit support frame (160) mounted on an other end of the handle unit (110); a cylinder (170) disposed inside of the transport unit support frame (160), provided with a pointer guide recess (H) formed on an outer circumferential surface thereof in a concave spiral shape, and coupled to an additional deceleration motor (M) to be rotated; and a welding rod transport unit (150) which rotates about a center shaft (S) disposed on one side of the transport unit support frame (160), wherein one end thereof is guided by the pointer guide recess (H), and the other end thereof supports a welding rod supply pipe (140). The automatic 8-shaped-weaving argon welding torch (100) in accordance with the present invention comprises an automatic argon welding rod supply device disposed on one side of the handle unit (110) gripped by the welding worker. More specifically, when a welding rod (W) is discharged through a welding rod discharge hole (140b), welding is performed while forming an 8-shaped welding bead path. As such, argon welding can completely be finished even when a novice welding worker, not a skilled worker, performs a welding work.

Description

Technical Field [0001] The present invention relates to an argon welding torch having an automatic eight-

The present invention relates to an automatic eight-sided weaving argon welding torch equipped with an automatic welding device for argon welding, and more particularly, to a method of manufacturing a welding torch, In addition, since the welding rod is rotated unevenly, the formation of beads due to argon welding is not uniform, and an automatic eight-member weaving machine equipped with an automatic welding device for argon welding rod Argon welding torch ".

That is, in order to solve the problems of the prior art, in order to weld the welding rod in eight characters during argon welding, the torch is linearly moved and the welding rod connected with the torch is rotated by 8-member weaving to form a clean and uniform bead An argon welding torch with automatic eight-member weaving with an automatic argon welding rod.

Generally, welding refers to welding two or more objects or materials into a molten or semi-molten state, and then joining them with a filler (a welding rod or a wire). Various welding methods are used depending on the type and thickness of the material .

Among various welding methods, gas arc welding is a method in which a gas such as carbon dioxide is used as a protective gas, an arc is generated by an electrode, and welding is performed by melting the wire and the material to be welded by arc heat.

Here, such gas arc welding is widely used in various fields depending on the ease of welding work, such as the shielding action of the shielding gas to prevent weld defect, and to form relatively clean weld beads.

[0004] In the prior art related to gas arc welding, in Korean Patent Laid-Open Publication No. 10-2014-0093112 (published on July 25, 2014), "gas supply part for supplying gas" A gas supply unit for supplying the gas to the torch unit, a piping unit interposed between the gas supply unit and the torch unit, and a piping unit connected to the piping unit to buffer the pressure change of the gas, Quot; gas arc welder "

In the prior art related to the laser welding machine, as disclosed in Japanese Laid-Open Patent Publication No. 10-2014-0056774 (published on May 12, 2014), as shown in Fig. 1, "the leading coil 1 and the trailing coil (3) welded to the weld line (3) formed by the butt of the weld line (3) and electrically connected to the weld means, the position of the weld line (3) Quot; laser welding machine "

Further, in the related art relating to the arc welder, in Korean Patent Laid-Open No. 10-2013-0077460 (published on Jul. 09, 2013), as shown in Fig. 2, (22) for supplying a welding wire (10) on a wire reel (23) to a contact tip (22) at a predetermined speed by using a spindle (25) and a weaving mechanism (26) And a guide 30 for guiding the drawing of the welding wire 10 to the lower end of the guide 30 and an insulator 40 for preventing the welding wire 10 from being deformed in the guide 30. [ A stick-out increasing mechanism of a submerged arc welder. "

As a related art related to the automatic welding machine, in Korean Patent Laid-Open Publication No. 10-2013-0123809 (published on November 13, 2013), there is disclosed a welding machine including a running section 10 running around the object to be welded 5; A welding rod portion 20 provided at an upper portion of the running portion 10 and welding a portion to be welded of the welding object 5 while moving around the welding object 5 by the running portion 10; A sensing unit 30 for sensing whether or not the traveling unit 10 travels around each corner of the welding object 5 and whether the traveling unit 10 travels around the periphery of the welding object 5 except for the periphery; The traveling speed of the traveling part 10 traveling around each corner of the object to be welded 5 and the periphery around each corner of the object to be welded 5 are driven on the basis of the sensing signal of the sensing part 30 And a control unit (40) for controlling the traveling speed of the traveling unit (10).

However, in spite of the above-described conventional technique, in the process of moving the argon welding rod and the torch during the argon welding, in the operation of the welding worker, the torch is not linearly moved and the welding rod is rotated unevenly , The formation of beads due to argon welding is not uniform and defects are generated.

Thus, in order to allow the welding of the welding rod with eight-piece weaving during argon welding, the torch moves linearly, and the welding rod connected to the torch is rotated by 8-member weaving to form a clean, uniform bead. Development continues to be required.

[Prior Art Literature]

1. Korean Patent Publication No. 10-2014-0093112 (published on July 25, 2014)

2. Korean Patent Publication No. 10-2014-0056774 (published on May 12, 2014)

3. Korean Patent Publication No. 10-2013-0077460 (published on July 09, 2013)

4. Domestic Patent Publication No. 10-2013-0123809 (published on November 13, 2013)

The present invention is based on the idea that in order to allow the welding torch to move while welding the eight-member weaving in argon welding, the torch moves linearly, and the welding rod connected to the torch is rotated in eight- And an automatic 8-weaving argon welding torch equipped with a supply device.

According to an aspect of the present invention, there is provided an automatic eight-arc weaving argon welding torch (100) having an automatic argon welding rod supply apparatus according to an embodiment of the present invention, A handle portion 110 to which a connection portion 120 to which a high-frequency power source is supplied is connected and which can be gripped by a welding worker; A transfer part support frame 160 coupled to the other end of the handle part 110; A cylinder 170 provided on the inner side of the conveyance support frame 160 and formed in a spiral shape with a pointer guide groove H on its outer circumference and rotated in conjunction with a separate deceleration motor M; And a pointer P guided to the pointer guide groove H at one end thereof and having the other end connected to a welding rod supply pipe 140 And a welding rod 150 capable of supporting the welding rod 150.

The control unit may further include an operation switch (130) installed on the handle (110) to control the operation of the deceleration motor (M).

At this time, as the operation switch 130 is operated, the arc formation mode / welding electrode supply, welding electrode rotation mode / welding stop, and welding electrode retraction mode are sequentially performed.

The welding rod W discharged through the welding rod discharge port 140b of the welding rod supply pipe 140 is welded to the welding object at a distance of 8 mm to the object to be welded, And welding is performed by forming a welding bead while forming the welding wire.

Further, while the cylinder 170 makes one revolution by the decelerating motor M, the pointer guide groove H spirally extends from one end to the other end, and then, from one end to the other end, And is then returned to its original position.

In addition, a welding rod 150 is interlocked along the pointer guide groove H of the cylinder 170 linked to the deceleration motor M, and the welding rod is connected to the welding rod discharging port 140b And the welding beads discharged and melted to be produced form eight characters.

Therefore, according to the automatic eight-arc weaving argon welding torch provided with the automatic argon welding rod automatic supplying device of the embodiment of the present invention having the above-described structure, the automatic welding apparatus of the present invention includes the argon welding rod automatic transfer device provided at one side of the handle portion gripped by the welding operator Thus, unlike the conventional art which relies on manual operation, the welding rod is automatically woven through the welding rod discharge port so that the work can be carried out smoothly.

According to the automatic eight-sided weaving argon welding torch of the present invention having the above-described automatic argon welding rod automatic welding apparatus of the present invention, the automatic welding apparatus includes an argon welding rod automatic transfer device provided at one side of the handle portion gripped by the welding operator. There is another effect that the argon welding can be completely finished even when the welding work is performed by the welding worker who is not an artisan since the welding is performed while forming the trajectory of the eight beads in the discharge through the electrode discharge port.

In addition, according to the automatic eight-sided weaving argon welding torch provided with the automatic argon welding rod apparatus of the present invention having the above-described structure, when the welding rod is discharged through the welding rod discharge port, The pointer is guided along a pointer guide groove formed concavely in the outer circumferential surface of a cylinder rotatably provided inside the transfer part support frame so that the welding bead is uniformly formed at a constant speed so that the weld bead is formed stably and uniformly, There is another effect that can maximize the efficiency of the system.

According to the automatic eight-arc weaving argon welding torch having the above-described automatic argon welding rod automatic feeder of the present invention, the cylinder rotatably provided inside the feeder support frame is rotated by the separately provided decelerating motor, If necessary, the welding operator can set the formation rate of the eight-bead trajectory of the weld bead, thereby setting the completion of the welding speed according to the skill of the welding operator.

1 is a working state view showing a state in which a welding bead is formed in a laser welding machine according to the prior art.
2 is a cross-sectional view schematically showing a stick-out increasing mechanism of a submerged arc welder in a prior art arc welder.
FIG. 3 is an external view showing an automatic eight-sided weaving argon welding torch provided with an automatic supply apparatus for an argon welding electrode according to an embodiment of the present invention.
Fig. 4 is another outline view showing an automatic eight-beam weaving argon welding torch provided with the automatic argon welding rod automatic feeder of the present invention shown in Fig. 3 in another direction.
Fig. 5 shows that the operation mode of the automatic eight-string weaving argon welding torch equipped with the automatic welding device of the argon welding rod is switched to the arc forming mode, the welding rod supplying and welding rod rotating mode, and the welding stop- Is changed and proceeded.
6 shows a state in which a welding rod interlocked along a pointer guide groove H of a cylinder 170 interlocked with a deceleration motor M forms eight characters through a welding rod discharge port 140b by a transfer unit 150, It is a work showing the thing.
FIG. 7 is a partial block diagram showing the automatic transfer device for an argon welding rod provided in the automatic eight-sided weaving argon welding torch of the present invention.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, a detailed description of preferred embodiments of the present invention will be given with reference to the accompanying drawings. In the following description of the present invention, detailed description of known functions and configurations incorporated herein will be omitted when it may make the subject matter of the present invention rather unclear.

Embodiments in accordance with the concepts of the present invention can make various changes and have various forms, so that specific embodiments are illustrated in the drawings and described in detail in this specification or application.

It is to be understood, however, that it is not intended to limit the embodiments according to the concepts of the present invention to the particular forms of disclosure, but includes all modifications, equivalents, and alternatives falling within the spirit and scope of the invention.

It is to be understood that when an element is referred to as being "connected" or "connected" to another element, it may be directly connected or connected to the other element, . On the other hand, when an element is referred to as being "directly connected" or "directly connected" to another element, it should be understood that there are no other elements in between. Other expressions that describe the relationship between components, such as "between" and "between" or "neighboring to" and "directly adjacent to" should be interpreted as well.

The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. The singular expressions include plural expressions unless the context clearly dictates otherwise. In this specification, the terms "comprises ",or" having ", or the like, specify that there is a stated feature, number, step, operation, , Steps, operations, components, parts, or combinations thereof, as a matter of principle.

Like reference numerals refer to like elements throughout the specification.

FIG. 3 is an outline view showing an automatic eight-sided weaving argon welding torch provided with an automatic argon welding electrode supply apparatus according to an embodiment of the present invention, and FIG. 4 is a sectional view of the automatic argon welding electrode automatic supplying apparatus of FIG. FIG. 7 is a partial schematic view showing an automatic eight-beam weaving argon welding torch provided with an automatic argon welding rod automatic feeder according to the present invention.

As shown in FIGS. 3, 4 and 7, an automatic eight-beam weaving argon welding torch 100 equipped with an automatic argon welding rod feeder according to an embodiment of the present invention, And an argon welding rod automatic transfer device is provided on one side of the handle 110 in order to form a clean and uniform welding bead by rotating the welding rod W while moving the welding rod W in eight characters in argon welding.

7, the argon welding rod automatic transfer device is provided inside the transfer part support frame 160, and the pointer guide groove H is spirally formed on the outer circumferential surface thereof, M); And a pointer P guided to the pointer guide groove H at one end thereof and having the other end connected to a welding rod supply pipe 140 And a welding part 150 for supporting the welding part.

Hereinafter, the constituent elements of the automatic eight-string weaving argon welding torch 100 equipped with the automatic argon welding rod automatic supplying apparatus according to an embodiment of the present invention, and the connecting relationship between the respective elements, I will look at it.

In the automatic eight-arc weaving argon welding torch 100 equipped with the automatic argon welding rod automatic supplying device according to an embodiment of the present invention, a connecting portion 120 to which argon gas and high frequency power are supplied is connected to one end, A handle 110 capable of gripping by hand; A transfer part support frame 160 coupled to the other end of the handle part 110; A cylinder 170 provided on the inner side of the conveyance support frame 160 and formed in a spiral shape with a pointer guide groove H on its outer circumference and rotated in conjunction with a separate deceleration motor M; And a pointer P guided to the pointer guide groove H at one end thereof and having the other end connected to a welding rod supply pipe 140 And a welding rod 150 capable of supporting the welding rod 150.

Here, the pointer guide groove H, which is formed in a spiral shape on the outer circumferential surface of the cylinder 170, rotates in conjunction with the decelerating motor M and rotates in one direction from one end to the other end A spiral is formed. When the deceleration motor M is continuously rotated, one spiral is formed so as to be continuously returned from one end to the other end.

Therefore, while the cylinder 170 makes one revolution by the decelerating motor M, the pointer guide groove H is formed so as to extend from the one end to the other end, It returns to its original position.

4, the operation switch 130 is shown as a rotary type switch, but the operation mode of the automatic eight-string weaving argon welding torch provided with the automatic welding device of the argon welding rod is not limited to the arc forming mode, A toggle type switch or any type of switch may be used as long as the welding is stopped and the welding rod is sequentially changed to the retreat mode.

6 shows a state in which a welding rod interlocked along a pointer guide groove H of a cylinder 170 interlocked with a deceleration motor M forms eight characters through a welding rod discharge port 140b by a transfer unit 150, It is a work showing the thing.

The center axis S is moved by the action of the pendulum movement of the pointer P guided to the pointer guide groove H while the cylinder 170 is interlocked with the rotation of the decelerating motor M. [ The welding rod W discharged along the welding rod discharging opening 140b of the welding rod supplying pipe 140 connected to the supplying rod 150 is rotated in the direction , It can be seen that the welding is performed by forming the weld bead while forming the eight characters while melting.

Fig. 5 shows that the operation mode of the automatic eight-string weaving argon welding torch equipped with the automatic welding device of the argon welding rod is changed to the arc forming mode, the welding rod supplying and welding rod rotating mode, and the welding stop- Is changed and proceeded.

5, an automatic eight-beam weaving argon welding torch 100 equipped with an automatic argon welding rod automatic supplying apparatus according to an embodiment of the present invention is installed on the handle portion 110, And an operation switch 130 capable of controlling the operation of the microcomputer.

At this time, as the operation switch 130 is operated, as shown in FIG. 5, the arc formation mode / welding electrode supply, welding electrode rotation mode / welding stop, and welding electrode retraction mode are sequentially performed.

3 and 4, a discharging electrode E is disposed at the lowermost end of the conveyance support frame 160 so as to be adjacent to the electrode discharge port 140b at the lowermost end of the electrode supply pipe 140. As shown in FIG.

An arc is generated at the tip of the discharging electrode E as the discharging electrode E is surrounded by the electrode casing C and the lowest end is exposed for a predetermined length. At the same time, in a state where the arc generated by argon gas, which is a protective gas, is shielded from the outside air, the welding rod W is melted to generate a welding bead, and welding is performed.

Therefore, according to the automatic eight-sided weaving argon welding torch 100 equipped with the automatic argon welding rod automatic supplying device of the embodiment of the present invention having the above-described structure, the argon welding electrode 120 provided at one side of the handle portion 110, The automatic welding apparatus according to the present invention has an advantageous effect that the welding rod W is automatically fed and supplied through the welding rod discharge port 140b unlike the prior art which relies on manual operation so that the work can be performed smoothly.

According to the automatic eight-sided weaving argon welding torch 100 having the above-described automatic argon welding rod automatic supplying device of the present invention, In particular, when the welding rod W is discharged through the welding rod discharging opening 140b, the welding is performed while forming the trajectory of 8-character welding beads, so that even when the welding worker is not an expert, There is another effect that can be finalized.

According to the automatic eight-sided weaving argon welding torch 100 having the above-described automatic argon welding rod automatic feeding device of the present invention, when the welding rod W is discharged through the welding rod discharging opening 140b, The pointer P is guided along the pointer guide groove H formed concavely in the outer circumferential surface of the cylinder 170 which is provided so as to be pivotally moved inside the conveyance support frame 160 in the process of forming the bead trajectory So that the weld bead is uniformly formed at a constant speed, thereby ensuring stable and uniform welding beads, thereby maximizing the welding quality.

In addition, according to the automatic eight-arc weaving argon welding torch 100 having the above-described automatic argon welding rod automatic feeding device of the present invention, the cylinder 170 rotatably provided inside the feeder support frame 160 is separately The welder can set the speed of formation of the eight-bead locus of the weld bead, if necessary, by turning by the provided decelerating motor (M), so that it is possible to set the speed of the welding speed according to the skill of the welder .

It will be understood by those skilled in the art that the present invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof.

It is therefore to be understood that the embodiments described above are illustrative in all aspects and not restrictive.

The scope of the present invention is defined by the appended claims rather than the foregoing detailed description, and all changes or modifications derived from the meaning and scope of the claims and the equivalents thereof are included in the scope of the present invention Should be interpreted.

100: Automatic 8-Weaving Weaving Argon Welding Torch with Automatic Supply of Argon Welding Rod
110: handle portion 120: connection portion
130: Operation switch 140: Welding rod supply pipe
140a: Welding rod inlet port 140b: Welding rod outlet port
150: Welding rod is transmitted 160: Feeder support frame
170: cylinder C: electrode casing
E: Discharge electrode F: Welding rod supply device
H: Pointer guide groove M: Deceleration motor
P: Pointer S: Center axis
W: Electrodes

Claims

As an argon welding torch,
A handle portion 110 to which a connection portion 120 to which argon gas and high frequency power is supplied is connected to the one end, and the welding portion 110 can be gripped by a welding worker;
A transfer part support frame 160 coupled to the other end of the handle part 110;
A cylinder 170 provided on the inner side of the conveyance support frame 160 and formed in a spiral shape with a pointer guide groove H on its outer circumference and rotated in conjunction with a separate deceleration motor M; And
The pointer P is guided to the pointer guide groove H at one end and the other end is connected to the welding rod supply pipe 140 at the other end, An electrode rod 150 capable of supporting the electrode rod 150;
And an automatic eight-beam weaving argon welding torch equipped with an automatic welding device for an argon welding rod.

The method according to claim 1,
An operation switch 130 installed on the handle portion 110 and capable of controlling the operation of the decelerating motor M;
Further comprising an automatic eight-member weaving argon welding torch equipped with an automatic supply of argon welding electrodes.

3. The method of claim 2,
Wherein the operation switch 130 is operated so that the arc forming mode, the welding electrode supply, the welding electrode rotation mode, the welding stop, and the welding electrode retraction mode are sequentially performed. Argon welding torch.

3. The method of claim 2,
The welding rod W discharged through the welding rod discharging opening 140b of the welding rod supplying pipe 140 forms 8 characters with respect to the object to be welded when the operation switch 130 is operated and the welding rod supplying and welding rod rotating mode proceeds Wherein the welding bead is formed by welding the welding bead while the welding is being performed.

The method according to claim 1,
While the cylinder 170 makes one rotation by the decelerating motor M, the pointer guide groove H spirally extends from one end to the other end and continues to the other end from the other end , And then returned to its original position. The automatic eight-arc weaving argon welding torch provided with the automatic supply device of the argon welding rod.

The method according to claim 1,
The welding rod 150 is interlocked along the pointer guide groove H of the cylinder 170 interlocked with the deceleration motor M and the welding rod is discharged through the welding rod discharge port 140b by the transfer unit 150 Characterized in that the welding beads formed by melting form eight characters. The automatic eight-string weaving argon welding torch is equipped with an automatic welding device for argon welding electrodes.