KR200456283Y1 - welding torch holding device of Automatic transferable portable welding apparatus - Google Patents

Abstract

The present invention combines the torch for manual work, and in the automatic feed welding device to enable automatic feed welding, to adjust the position of the welding torch before and after, and the up and down position and the welding angle at the same time, torch clamp It provides a welding torch holding device of the automatic transfer welding device to facilitate the transfer and installation of the welding device to minimize the volume of the holding device to accurately position the welding torch mounted on the welding site. The welding torch holding device of the automatic transfer welding device according to the present invention is coupled to the horizontal transfer unit 10 and the horizontal transfer unit 10 coupled to the base 61 of the automatic transfer welding device 60. To the front and rear by the horizontal transfer unit 10, the angle adjusting unit 20 for adjusting the angle of the welding torch 50 in accordance with the rotation operation of the angle adjusting handle 28, and the torch clamp at one end 40 is coupled, including a torch clamp holder 30 for angular movement of the welding torch 50 mounted to the torch clamp 40 by the angular movement by the angle adjustment unit 20, the angle adjustment unit 20 ) Is a worm 24 that is rotated by the angle adjustment handle 28, the angle conversion worm wheel portion 25 'engaging with the worm 24 and the link pin 25 "connected to the torch clamp holder 30 is With the angle conversion link 25 coupled, the torch clamp holder 30 has a torch clamp 40 is coupled to one end, the other end is It is coupled to the link pin 25 ″ of the angle conversion link 25 and hinged to the horizontal transfer unit 10 in the middle so as to be rotatable, so that the angular motion is changed by the motion force of the worm gear and the movement by the lever structure. do.

Welding, torch, holding, clamp, worm, worm wheel

Description

Welding torch holding device of Automatic transferable portable welding apparatus

The present invention relates to a welding torch holding device of an automatic transfer welding device, and more specifically, an automatic transfer that enables automatic transfer welding by combining a torch for manual operation without using a torch for a separate welding device. In the welding device, it is possible to adjust the front and rear position of the welding torch, the up and down position control and the welding angle at the same time, so that the welding torch mounted on the torch clamp can be accurately positioned on the welding part, and the volume of the holding device The present invention relates to a welding torch holding device of an automatic transfer welding device that minimizes the transfer and installation of the welding device.

In general, the automatic feed welding device is a welding device developed to improve the problem of the welding method by manual work, and is widely used in various industrial sites because it can perform welding work quickly while maintaining the quality of the welded part. .

As a conventional technology related to such automatic transfer welding device, Korean Utility Model Publication No. 20-0169936 "Vertical Automatic Welding Apparatus", Korean Utility Model Publication No. Sec. 2000-0005792, "Welding Carriage with Minimized Welding Hold" Has been proposed.

Such a conventional automatic feed welding device proposes a technique for welding while fixing the welding torch to the clamp and automatic transfer.

In addition, the Republic of Korea Laid-Open Patent Publication No. 10-2008-0092212 presented by the present inventors "H beam automatic welding device" by allowing the welding to be tilted to enable the edge work, when welding the connection of the H beam Techniques have been proposed to prevent the cost contact section from occurring and to effectively perform the weaving performed during the welding operation by the weaving unit.

In the conventional automatic transfer welding apparatus as described above, the front, rear, or up and down positions of the welding portion are variously changed according to the welding target structure, and the welding angle of the welding torch is changed at various angles according to the position of the welding portion. Therefore, the automatic transfer welding device is provided with a holding device for adjusting the front and rear positions or the up and down positions and angles of the welding torch.

As a technology related to such a welding torch holding device of the conventional automatic transfer welding device, Korean Registered Utility Model Publication No. 20-0256666 No. "Automatic welding traveling device capable of operating a torch angle" has been proposed.

However, in order to solve the inconvenience of the operator manually adjusting the welding angle of the welding torch, the conventional automatic transfer welding apparatus has conventionally attempted to finely adjust the handle to the set angle, but the horizontal and vertical movement Manual operation of the member allows the front, rear, up and down movement of the welding torch to be a linear displacement, and drives the rotating motor to adjust the welding angle of the welding torch, and the worm and worm wheel are interlocked by the driving force. It is configured to rotate the rotating shaft fixed to the body of the welding torch, there was the inconvenience of having to adjust the position and angle of the welding torch in parallel with the manual and automatic operation to match the welding conditions, fixing the rotating shaft to the welding torch There was a hassle to do, and the holding device is due to the volume of components such as horizontal and vertical moving members, motors and worms and worm wheels. Volume bidaehaejyeo had transport and installation of inconvenient welding equipment.

As a conventional technology for solving such a problem, the Republic of Korea Registered Utility Model Publication No. 20-0335544 "Torch angle slide adjustable automatic welding running device" has been presented. In the prior art as described above, the torch clamp on which the welding torch is installed is rotated about the hinge axis, and the front, rear, up and down positions of the welding torch and the welding angle can be simultaneously adjusted by the user's manual operation. have.

However, the conventional automatic welding driving apparatus for adjusting the angle of the welding torch by a slide method is provided with a frame fixing part and a bolt fixing part so that the torch clamp rotates about the hinge axis, The lower end is coupled to the slide bolt, the slide hinge is screwed to the slide bolt to move up and down in accordance with the rotation direction of the slide bolt, and one end is fixed to the through hole of the slide hinge by a feed pin to make the torch clamp rotational displacement The carriage is provided so that the sliding hinge is lifted and lifted on the sliding bolt. For this reason, the rotational displacement of the torch clamp is not made quickly, and the configuration of the holding device is not only complicated, but the volume thereof is still large, which causes inconvenience in the transportation and installation of the welding device.

On the other hand, the inventors of the Republic of Korea Patent Application No. 10-2008-0032897 "Handheld welding device capable of automatic transfer and ignition determination method of the welding torch for controlling it", Republic of Korea Utility Model Registration Application No. 20-2008-0007422 " In the portable welding apparatus capable of automatic transfer, the automatic transfer welding apparatus for accurately positioning the welding torch at the welding site has been proposed.

Therefore, the present invention improves the problems of the prior art described above, and the automatic transfer welding apparatus proposed in the patent application No. 10-2008-0032897 and Utility Model Registration Application No. 20-2008-0007422 filed by the present inventors In the automatic transfer welding device that further improves the welding torch holding device and enables the automatic transfer welding by combining the torch for normal manual operation, the position of the welding torch is adjusted before and after, and the welding angle is adjusted. It is an object of the present invention to provide a welding torch holding device of a new type automatic feed welding device to enable this.

In particular, the present invention is to move the horizontal transfer unit coupled to the base of the automatic transfer welding device to the front and rear directions to adjust the front and rear positions of the welding torch, and the worm gear operating force of the angle adjustment unit By angularly moving the torch clamp holder by the movement change by the lever structure, the welding torch attached to the torch clamp can be adjusted precisely at the welded area. It is an object of the present invention to provide a welding torch holding device of a new type automatic feed welding device that can be positioned.

In addition, the present invention is built into the angle control unit coupled to the horizontal transfer unit to achieve the angle conversion of the torch clamp by minimizing the volume of the component, to facilitate the transfer and installation of the welding device It is an object of the present invention to provide a welding torch holding device of a new type automatic transfer welding device.

According to a feature of the present invention for achieving the above object, in the welding torch 50 holding device for the automatic feed welding device 60, the horizontal coupled to the base 61 of the automatic feed welding device 60 A transfer unit 10; An angle adjusting unit which is coupled on the horizontal transfer unit 10 and moves forward and backward by the horizontal transfer unit 10 and adjusts the angle of the welding torch 50 according to the rotation operation of the angle adjusting handle 28. 20; Torch clamp 40 is coupled to one end, including a torch clamp holder 30 for angular movement of the welding torch 50 mounted on the torch clamp 40 by the angular movement by the angle adjustment unit 20; The angle adjustment unit 20 is a link pin connected to the worm 24 that rotates by the angle adjustment handle 28, the angle conversion worm wheel portion 25 'and the torch clamp holder 30 engaged with the worm 24. (25 ") has an angle conversion link (25) coupled, the torch clamp holder 30 is coupled to the torch clamp 40 at one end, the other end of the link pin 25" of the angle conversion link (25) Is coupled to the horizontal transfer unit 10 in the middle to be rotatable, so that the welding torch holding of the automatic transfer welding device, characterized in that the angular movement by the movement force of the worm gear and the movement change by the lever structure. The device is a problem solving means.

In the welding torch holding device of the automatic transfer welding device according to the present invention, the horizontal transfer unit 10 is a bracket 17 and the bracket 17 is coupled to the base 61 of the automatic transfer welding device 60 The guide block 13 is coupled to the (), the guide slot 13 to be fitted on the guide 15 is formed, the transfer block 11 is formed with a screw hole 14 on the upper side of the guide slot 13 The welding torch holding device of the automatic transfer welding device, characterized in that it moves forward and backward by the horizontal screw 16 coupled to the screw hole 14 as a means for solving the problem.

In the welding torch holding device of the automatic transfer welding device according to the present invention, the horizontal transfer unit 10 is formed to protrude upward from the front of the transfer block 11, parallel to the transfer direction of the transfer block 11 Has a hinge stand 12 is installed, the torch clamp holder 30 is hinged to the hinge stand 12, the angle adjustment unit 20 is coupled to the transfer block 11 of the horizontal transfer unit 10 A support block 21 supporting the worm 24 and the angle conversion link 25; The support block 21 is formed so as to be perpendicular to the conveying direction of the conveying block 11 and has a vertical recess 21 'in which the worm 24 is located. The support block 21 communicates with the vertical recess 21' and conveys the conveying block 11. A horizontal recess 21 " which is formed so as to open toward the front of the position and in which the angle conversion worm wheel portion 25 'is positioned, and is disposed on the rear side of the hinge 12 on the transfer block 11 of the horizontal transfer unit 10; The welding torch holding device of the automatic transfer welding device, characterized in that the problem solving means.

In the welding torch holding device of the automatic transfer welding device according to the present invention, the support block 21 extends in front of the horizontal recess 21 "in the direction of the hinge 12, and the curvature in the vertical direction It is further provided with a guide portion 22 having a first long hole 23 is formed to have a link pin (25 ") is inserted, the torch clamp holder 30 is a hole in which the link pin (25") is coupled second The welding torch holding device of the automatic transfer welding device, characterized in that formed in the long hole 31 as a problem solving means.

According to the welding torch holding device of the automatic transfer welding device according to the present invention as described above, in the automatic transfer welding device 60 to enable automatic transfer welding by combining the welding torch 50 for a normal manual operation, welding Before and after the torch 50, the up, down position and the welding angle can be adjusted at the same time.

In particular, the present invention to adjust the front and rear positions of the welding torch 50 by moving the horizontal transfer unit 10 coupled to the base 61 of the automatic transfer welding device 60 to the front and rear directions. The torch clamp holder 30 is angularly moved by the movement force of the worm gear and the lever structure of the angle adjusting unit 20 coupled to the horizontal transfer unit 10, thereby torch clamp 40. The welding torch 50 mounted on the torch clamp 40 can be precisely positioned at the welding site by allowing simultaneous adjustment of the upper and lower positions and the welding angle of the welding torch 50 coupled thereto.

In addition, the present invention is built into the angle adjusting unit 20 coupled to the horizontal transfer unit 10 to achieve the angle conversion of the torch clamp 40, thereby minimizing the volume of the component, the transfer of the welding device And installation can be easily performed.

Hereinafter, a preferred embodiment of the present invention will be described in detail with reference to the accompanying drawings, Figures 1 to 10, the same reference numerals are denoted for the components performing the same function in Figures 1 to 10. On the other hand, in each drawing, the illustration of the reinforcing ribs (plates), bolts and screws, holes, washers, nuts, etc. for the coupling and fixing of the main elements are briefly or omitted, and the description of the conventional automatic feed welding device, and the rotational movement , The mechanism for the hinge movement, the angular movement, and the like, various mechanical parts, mechanisms for using the driving force generated by the actuator, and the like, and those parts commonly known to those skilled in the art are omitted. It is shown in the center. In particular, there are parts where the size ratio between the elements is somewhat different or the sizes between the components coupled to each other are different, but the difference in representation of the drawings is easily understood by those skilled in the art. A separate description is omitted.

1 is a view for explaining a welding torch holding device of the automatic transfer welding device according to the technical idea of the present invention, Figure 2 is a view for explaining a welding torch holding device of the automatic transfer welding device according to a preferred embodiment of the present invention Assembled front view.

1 and 2, the present invention is a welding torch holding device for an automatic feed welding device, the horizontal feed unit 10 is coupled to the base 61 of the automatic feed welding device 60 is provided Is coupled on the horizontal transfer unit 10 to move forward and backward by the horizontal transfer unit 10, and adjusts the angle of the welding torch 50 in accordance with the rotation operation of the angle adjustment handle 28 The unit 20 is provided, the torch clamp 40 is coupled to one end, the torch clamp holder for angular movement of the welding torch 50 mounted on the torch clamp 40 by the angular movement by the angle adjustment unit 20 30 is provided.

In the welding torch holding device of the present invention as described above, the angle adjusting unit 20 is provided with a worm 24 that is rotated by the angle adjusting handle 28, the angle conversion worm wheel portion 25 is engaged with the worm 24. ') And the link pin 25 "coupled to the torch clamp holder 30 has an angle conversion link 25, the torch clamp holder 30 is to the torch clamp 40 is coupled to one end, The other end is coupled to the link pin 25 "of the angle conversion link 25, and hinged to the horizontal transfer unit 10 in the middle portion so as to be rotatable, thereby converting the motion of the worm gear and the movement by the lever structure. It is characterized by angular movement.

10 is a view showing a state in which the welding torch holding device according to a preferred embodiment of the present invention installed in the automatic transfer welding device 60, the automatic transfer welding device 60 is installed the welding torch holding device of the present invention It will be briefly explained.

The automatic feed welding device 60 is a portable automatic feed welding device capable of welding without using a welding rail, which can be used for both horizontal and vertical welding, and can extend the effective welding length within a narrow range. For example, the conventional automatic feed welding device has a non-contact interval that can not be welded by at least 100mm automatic feed welding device, automatic feed welding device 60 is installed in the welding torch holding device of the present invention is a conventional automatic welding device The non-welded non-welding section has the effect of being reduced to 50 mm.

Then, the welding is performed after selecting and mounting any one of the automatic welding torch and the manual welding torch, and in particular, as the welding can be performed by directly applying the manual welding torch 60, automatic transfer welding in a narrow space After removing the welding torch 50 mounted on the device 60 from the torch clamp 40, the operator can directly carry out welding by holding the welding torch 50 in his hand, thereby maximizing the efficiency of welding. .

4 again, in the welding torch holding device of the automatic transfer welding apparatus according to the preferred embodiment of the present invention, the horizontal transfer unit 10 is coupled on the base 61 of the automatic transfer welding device 60 And a guide 15 coupled to the bracket 17 and the bracket 17. In addition, the guide slot 13 to be fitted on the guide 15 is formed, the upper side of the guide slot 13 is provided with a transfer block 11 having a screw hole 14 is formed. The horizontal transfer unit 10 moves forward and backward by the horizontal screw 16 rotating in the screw hole 14 according to the rotation operation of the horizontal transfer handle 18 located on the rear side of the bracket 17. Done.

On the other hand, in the welding torch holding device of the automatic transfer welding device according to a preferred embodiment of the present invention, the horizontal transfer unit 10 is a hinge 12 protruding upward from the front of the transfer block 11 is formed, the hinge Stand 12 is installed parallel to the transfer direction of the transfer block (11). Torch clamp holder 30 is hinged to the upper end of the hinge stand 12.

And, the angle control unit 20 is provided on the transport block 11 of the horizontal transfer unit 10 is provided with a support block 21 for supporting the worm 24 and the angle conversion link (25).

The support block 21 is formed to be perpendicular to the conveying direction of the transfer block 11 is provided with a vertical recess (21 ') in which the worm 24 is located. In addition, a horizontal recess 21 " is formed to communicate with the vertical recess 21 'and open in the forward direction of the transfer block 11 and to position the angle conversion worm wheel portion 25'. 21 is disposed on the rear side of the hinge 12 on the transfer block 11 of the horizontal transfer unit (10).

On the other hand, in the welding torch holding device of the automatic transfer welding device according to a preferred embodiment of the present invention, the support block 21 extends toward the front of the horizontal recess 21 "in the direction of the hinge 12, and up and down The guide portion 22 is formed to have a curvature in the direction and has an arc-shaped first long hole 23 into which the link pin 25 ″ is inserted.

Then, one side of the torch clamp holder 30 is formed with a straight second second hole 31 to which the link pin 25 ″ is coupled, and the other end of the torch clamp holder 30 to which the connecting shaft 41 of the torch clamp 40 is coupled. 32 is formed.

As described above, in the welding torch holding device according to the present invention, the support block 21 of the angle adjusting unit 20 is disposed in close proximity to the hinge 12 on the horizontal transfer unit 10, and the elements for converting angles are adjusted in angle. Mounted inside the support block 21 of the unit 20 it is possible to minimize the volume of the angle adjustment unit (20).

In addition, the torch clamp holder 30 is coupled to the upper end of the hinge stand 12 is connected close to the link pin 25 "of the angle adjustment unit 20, the horizontal transfer unit 10 and the angle adjustment unit 20 And it is possible to reduce the total volume by minimizing the distance of the torch clamp holder 30, it is possible to easily adjust the front and rear positions, the vertical position and the welding angle of the welding torch 50 coupled to the torch clamp 40, as well as automatic It is to be able to easily perform the transfer and installation of the transfer welding apparatus 60.

The assembly process and the operation process of the welding torch holding device according to the preferred embodiment of the present invention as described above will be described in detail below.

5 to 7 are views for explaining the assembly process of the welding torch holding device according to an embodiment of the present invention.

Referring to Figure 5, the welding torch holding device for the automatic transfer welding device 60 according to the present invention is first separated in the state as shown in Figure 4, the bracket on the base 61 of the automatic transfer welding device 60 ( 17) and guide 15 are combined. Then, the guide slot 13 of the transfer block 11 is inserted on the guide 15, the horizontal screw 16 is coupled to the screw hole 14 of the transfer block 11, the horizontal screw 16 The horizontal transfer handle 18 is coupled to the end to complete the assembly of the horizontal transfer unit 10.

Meanwhile, the worm 24 is vertically installed in the vertical recess 21 'of the support block 21, and the angle conversion link 25 is horizontally installed in the horizontal recess 21 ". The angle conversion of the worm wheel portion 25 'is engaged with the worm 24, the link pin 25 "is coupled to fit in the first long hole 23 formed in the guide portion 22 of the support block 21, The angle conversion link 25 is hinged by a hinge bolt through which the central portion of the angle conversion worm wheel portion 25 ′ penetrates the other side from one side of the support block 21. And, the worm 24 is supported so that the lower end is rotatable on the bottom surface of the support block 21. On the other hand, the front of the support block 21 is coupled to the front cover 27, the upper surface is coupled to the upper cover 26 through which the hole through which the upper shaft portion of the worm 24 passes, and the upper cover 26 to the upper side The angle adjusting handle 28 is coupled to the upper shaft of the protruding worm 24 to complete the assembly of the angle adjusting unit 20. The angle adjusting unit 20 assembled as described above is coupled to the transfer block 11 of the horizontal transfer unit 10.

As described above, when the horizontal transfer unit 10 and the angle adjustment unit 20 is completed coupling, the torch clamp holder 30 is hinged to the upper end of the hinge stand 12 of the transfer block (11). At this time, the torch clamp holder 30 is hinged to the upper end of the hinge stand 12 by a hinge bolt penetrating the center, and the link pin 25 "of the angle conversion link 25 in the second long hole 31 drilled at one side. ) Is inserted.

When the horizontal transfer unit 10, the angle adjusting unit 20, and the torch clamp holder 30 are combined, the clamping hole 32 formed at the other side of the second long hole 31 of the torch clamp holder 30 is completed. When the connecting shaft 41 of the torch clamp 40 is inserted and tightened with a tightening bolt, the entire assembly process of the welding torch holding device according to the present invention is completed.

8 is a side view of the welding torch holding device according to a preferred embodiment of the present invention, Figure 9 is a view for explaining the operating state of the welding torch holding device according to a preferred embodiment of the present invention.

When adjusting the front, rear, up and down position and welding angle of the welding torch 50 mounted on the torch clamp 40, first, by rotating the horizontal transfer handle 18 to rotate the horizontal screw 16, the transfer block ( 11) the torch clamp holder 30 coupled to the angle adjusting unit 20 and the hinge stand 12, which slides in the front-rear direction along the guide 15 and is simultaneously coupled to the transfer block 11, torch Since the torch clamp 40 coupled to the clamp holder 30 is transferred in the front-rear direction, it is possible to adjust the front-rear position of the welding torch 50.

Thus, the front and rear position adjustment of the welding torch 50 is completed, and when adjusting the up and down position and the welding angle of the welding torch 50, first, by rotating the angle adjusting handle 28 of the angle adjusting unit 20 to support the rotation. The worm 24 mounted in the vertical recess 21 'of the block 21 is rotated.

When the worm 24 is rotated, the angle conversion worm wheel portion 25 'is engaged with the worm 24, the angle conversion link 25 is angular movement around the hinge bolt in the support block 21, the angle conversion The link pin 25 ″ coupled to one side of the link 25 is angularly moved inside the arc-shaped first long hole 23 formed in the guide part 22.

When the link pin 25 "is angularly moved, the link pin 25" angularly moves the torch clamp holder 30 about the hinge 12 while sliding the straight second ball 31. As shown in FIG. The torch clamp 40 coupled to the clamping hole 32 on the other side of the second long hole 31 is angularly moved along the torch clamp holder 30.

As the torch clamp 40 is angularly received by receiving the angular movement of the link pin 25 ″, the welding angle of the welding torch 50 mounted to the torch clamp 40 can be adjusted, and the welding torch ( It is possible to adjust the vertical position of the end of the nozzle portion 50) at the same time, it is possible to accurately position the welding torch 50 mounted on the torch clamp 40 at the welding portion.

When the front and rear position, the vertical position and the welding angle of the welding torch holding device is repeatedly performed in the front and rear position, the vertical position and the welding angle adjustment process, the welding torch 50 can be more accurately positioned at the welding portion.

Although the welding torch holding apparatus of the automatic transfer welding apparatus according to the embodiment of the present invention as described above has been shown in accordance with the above description and drawings, this is only an example and is not limited to the scope of the technical idea of the present invention. It will be apparent to those skilled in the art that various changes and modifications can be made therein.

1 is a view for explaining a welding torch holding device of the automatic transfer welding device according to the technical idea of the present invention,

Figure 2 is an assembled front perspective view for explaining a welding torch holding device of the automatic transfer welding device according to a preferred embodiment of the present invention,

Figure 3 is an assembled perspective rear perspective view for explaining a welding torch holding device of the automatic transfer welding device according to a preferred embodiment of the present invention,

Figure 4 is a rear perspective view of the separated state for explaining the welding torch holding device of the automatic transfer welding device according to a preferred embodiment of the present invention,

5 to 7 are views for explaining the assembly process of the welding torch holding device according to an embodiment of the present invention,

8 is a side view of a welding torch holding device according to a preferred embodiment of the present invention,

9 is a view for explaining the operating state of the welding torch holding apparatus according to a preferred embodiment of the present invention,

10 is a view showing a state in which a welding torch holding apparatus according to a preferred embodiment of the present invention is installed in an automatic transfer welding apparatus.

<Explanation of symbols for the main parts of the drawings>

10: Horizontal transfer unit 11: Transfer block

12: hinge band 13: guide slot

14: screw hole 15: guide

16: Horizontal screw 17: Bracket

18: Horizontal transfer handle 20: Angle adjustment unit

21: support block 21 ': vertical recess

21 ": Horizontal recess 22: Guide part

23: The first chapter 24: Worm

25: angle conversion link 25 ': angle conversion worm wheel

25 ": Link pin 26: Top cover

27: front cover 28: angle adjustment handle

30: Torch clamp holder 31: Chapter 2

32: clamping hole 40: torch clamp

41: connecting shaft 50: welding torch

60: automatic feed welding device 61: base

Claims (4)

In the welding torch 50 holding device for automatic transfer welding device 60, A horizontal transfer unit 10 coupled to the base 61 of the automatic transfer welding device 60; The angle is coupled to the horizontal transfer unit 10 to move in the forward and rearward direction by the horizontal transfer unit 10, the angle of adjusting the angle of the welding torch 50 in accordance with the rotation operation of the angle adjustment handle 28 A control unit 20; Torch clamp 40 is coupled to one end, and comprises a torch clamp holder 30 for angular movement of the welding torch 50 mounted on the torch clamp 40 by the angular movement by the angle adjustment unit 20, ; The horizontal transfer unit 10 includes a bracket 17 coupled to the base 61 of the automatic transfer welding device 60 and a guide 15 coupled to the bracket 17, wherein the guide ( 15 is formed on the guide slot 13 to be fitted on the upper side of the guide slot 13 is provided with a transfer block 11 is formed with a screw hole 14, the horizontal coupled to the screw hole 14 Moving forward and backward by the screw 16; The angle adjusting unit 20 and the worm 24 that rotates by the angle adjusting handle 28, the angle conversion worm wheel portion 25 'engaging with the worm 24 and the torch clamp holder 30 and It is provided with an angle conversion link 25 coupled to the link pin 25 ", the torch clamp holder 30 is coupled to the torch clamp 40 at one end, the other end is the angle conversion link 25 It is coupled to the link pin (25 ") of the), by being hinged to the horizontal transfer unit 10 in the middle so as to be rotatable, it is characterized in that the angular movement by the motion force of the worm gear and the movement by the lever structure Welding torch holding device of automatic feed welding device. delete The method of claim 1, The horizontal transfer unit 10 is formed to protrude upward from the front of the transfer block 11, has a hinge 12 is installed in parallel in the transfer direction of the transfer block 11, The torch clamp holder 30 is hinged to the hinge stand 12, The angle control unit 20 is provided on the transport block 11 of the horizontal transfer unit 10 is provided with a support block 21 for supporting the worm 24 and the angle conversion link (25); The support block 21 is formed to be perpendicular to the conveying direction of the transfer block 11 has a vertical recess (21 ') in which the worm 24 is located, in communication with the vertical recess 21' A horizontal recess 21 &quot; formed to open in the forward direction of the transfer block 11 and in which the angle conversion worm wheel portion 25 'is positioned, and on the transfer block 11 of the horizontal transfer unit 10; Welding torch holding device of the automatic transfer welding device, characterized in that arranged on the rear side of the hinge (12). The method of claim 3, wherein The support block 21 extends toward the front of the horizontal recess 21 ″ in the direction of the hinge 12 and is formed to have a curvature in the vertical direction so that the link pin 25 ″ is inserted into the support block 21. Further provided with a guide portion 22 having a 23, The torch clamp holder 30 is a welding torch holding device of the automatic transfer welding device, characterized in that the second pin hole 31 is formed is coupled to the link pin (25 ").

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