KR101698195B1 - Manual type arc-welding torch - Google Patents

Manual type arc-welding torch Download PDF

Info

Publication number
KR101698195B1
KR101698195B1 KR1020150122592A KR20150122592A KR101698195B1 KR 101698195 B1 KR101698195 B1 KR 101698195B1 KR 1020150122592 A KR1020150122592 A KR 1020150122592A KR 20150122592 A KR20150122592 A KR 20150122592A KR 101698195 B1 KR101698195 B1 KR 101698195B1
Authority
KR
South Korea
Prior art keywords
pipe
electrode
welding
main body
handle
Prior art date
Application number
KR1020150122592A
Other languages
Korean (ko)
Inventor
권도형
Original Assignee
권도형
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 권도형 filed Critical 권도형
Priority to KR1020150122592A priority Critical patent/KR101698195B1/en
Application granted granted Critical
Publication of KR101698195B1 publication Critical patent/KR101698195B1/en

Links

Images

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K9/00—Arc welding or cutting
    • B23K9/24—Features related to electrodes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K9/00—Arc welding or cutting
    • B23K9/16—Arc welding or cutting making use of shielding gas
    • B23K9/164—Arc welding or cutting making use of shielding gas making use of a moving fluid
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K9/00—Arc welding or cutting
    • B23K9/16—Arc welding or cutting making use of shielding gas
    • B23K9/167—Arc welding or cutting making use of shielding gas and of a non-consumable electrode
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K9/00—Arc welding or cutting
    • B23K9/24—Features related to electrodes
    • B23K9/26—Accessories for electrodes, e.g. ignition tips
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K9/00—Arc welding or cutting
    • B23K9/24—Features related to electrodes
    • B23K9/28—Supporting devices for electrodes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K9/00—Arc welding or cutting
    • B23K9/24—Features related to electrodes
    • B23K9/28—Supporting devices for electrodes
    • B23K9/29—Supporting devices adapted for making use of shielding means
    • B23K9/291—Supporting devices adapted for making use of shielding means the shielding means being a gas
    • B23K9/293—Supporting devices adapted for making use of shielding means the shielding means being a gas using consumable electrode-rod
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K9/00—Arc welding or cutting
    • B23K9/24—Features related to electrodes
    • B23K9/28—Supporting devices for electrodes
    • B23K9/29—Supporting devices adapted for making use of shielding means
    • B23K9/291—Supporting devices adapted for making use of shielding means the shielding means being a gas
    • B23K9/296—Supporting devices adapted for making use of shielding means the shielding means being a gas using non-consumable electrodes

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Plasma & Fusion (AREA)
  • Mechanical Engineering (AREA)
  • Arc Welding In General (AREA)

Abstract

The present invention relates to a manual arc welding torch capable of generating an arc between an electrode and a base material to perform a welding operation. The torch includes at least a welding line including a power line for power supply and a main body And a welding position adjusting unit connected to one side of the main body and adapted to mount an electrode according to a welding method, and a welding position connecting unit connecting the electrode unit and the main body, and capable of moving or rotating the electrode unit in the longitudinal direction, The welding position adjusting unit includes a second pipe disposed inside the main body while receiving and protecting a welding line, an air supply line, and a water supply line connected to the electrode unit, the diameter of which is smaller than the diameter of the second pipe A first pipe formed so as to be linearly movable and rotatable within the second pipe, As the tightening rotation to the body include a pressure pipe clamp for fixing by pressurizing the first pipe. According to the present invention, since the welding position of the manual arc welding apparatus can be easily changed manually by an operator, the workability is improved.

Description

[0001] Manual arc welding torch [0002]

The present invention relates to a manual arc welding torch, which can be applied to both CO 2 arc welding and TIG arc welding, and which has a welding position adjusting unit capable of manually moving or rotating the position of a welding tip in a longitudinal direction as required.

Arc welding is the most widely used joining method currently used for joining metal materials by fusing welding using an arc as a heat source.

Generally, arc welding can be classified into carbon arc welding using carbon electrode and metal arc welding using metal electrode depending on the type of electrode used, and different types of welding can be performed depending on the respective welding method, cooling method, A welding operation is performed using a torch.

In particular, carbon arc welding is a method in which an arc is generated between a welding base material and a carbon electrode to melt an electrode. Metal arc welding generates an arc between electrodes made of the same kind of metal as the welding base material, Thereby bonding the base material. Accordingly, in the metal arc welding, since the continuous supply of the electrode consumed in the welding torch is required, the electrode portion having a shape different from that of the welding torch for the carbon arc welding is obtained.

Also, in case of welding method, Shield Metal Arc Welding (SMAW), which is most widely used at present, is used in the category of GMAW (Gas Metal Arc Welding) And is classified into CO 2 , MIG, MAG, and Ar welding depending on the type of gas.

In addition, FCAW (Flux Cored Arc Welding) has a working principle such as GMAW, but it uses a self-protection method in which the flux is filled in the wire, And the welding torch having a structure different from that of the GMAW method is used.

That is, in the prior art, each welding torch corresponding to each welding method is used, and a water-cooled type and an air-cooled welding torch are also used separately according to the cooling method.

In addition, the welding torch may be classified into large, medium and small types according to the length of the torch. In order to perform various welding operations, the operator must purchase and use various welding torches according to the welding method, .

Meanwhile, in the case of the manual welding torch, the worker directly moves the welding point and the welding operation is performed. In the case of the welding torch according to the related art, the length of the electric length can not be changed, and as the position of the welding tip is fixed, Therefore, there is a problem in that different welding torches must be used depending on the shape of the object to be welded, the position and direction of welding, and the like.

It is an object of the present invention to provide a manual arc welding torch capable of longitudinally moving or rotating a welding position without replacement of electrode parts or electrodes.

Another object of the present invention is to provide a manual arc welding torch in which the thickness of the grip portion can be varied according to the operator.

The present invention relates to a manual arc welding torch capable of generating an arc between an electrode and a base material to perform a welding operation. The torch includes at least a welding line including a power line for power supply and a main body And a welding position adjusting unit connected to one side of the main body and adapted to mount an electrode according to a welding method, and a welding position connecting unit connecting the electrode unit and the main body, and capable of moving or rotating the electrode unit in the longitudinal direction, The welding position adjusting unit includes a second pipe disposed inside the main body while receiving and protecting a welding line, an air supply line, and a water supply line connected to the electrode unit, the diameter of which is smaller than the diameter of the second pipe A first pipe formed so as to be linearly movable and rotatable within the second pipe, As the tightening rotation to the body characterized in that the pipe contains a pressure clamp for fixing and pressurizing the first pipe.

The main body further includes a pipe holder for surrounding an outer surface of the first pipe, and a spiral is formed on an outer surface of the pipe holder to press the first pipe while rotating the pipe.

The pipe holder part is formed integrally with a body housing constituting the main body, and the pipe holder part is formed in a semicircular shape so as to form a predetermined gap therebetween and encloses the first pipe.

The main body is provided with a grip portion to be gripped by a user. The grip portion includes a handle mounted on a handle seat portion provided on an upper surface of the main body and slidable up and down, and a handle And a handle fastener inserted into the handle guide hole and rotatably fastened to the handle fastener, wherein the handle fastener restrains or restrains the handle according to the rotation direction so that the handle can be fixed after the movement position of the handle is varied. .

According to the present invention, the welding portion is provided between the electrode portion and the main body, and the electrode portion is moved in the longitudinal direction to change the welding position.

Therefore, the worker can adjust the length of the electrode part according to need, thereby improving the workability.

Further, according to the present invention, the fixed position can be maintained by the pipe fastener while the electrode portion is rotated with respect to the main body.

Therefore, it is advantageous that the welding operation can be easily performed even when the operator rotates the electrode portion and the base material is positioned on the side.

In addition, according to the present invention, the thickness of the grip portion gripped by the operator can be varied by the handle that slides up and down. Therefore, since the grip portion can be varied according to the size of the operator's hand, it is advantageous that various operators can grasp the arc and perform the arc welding more easily.

FIG. 1 is a perspective view showing a state where a first electrode is mounted in a manual arc welding torch according to the present invention. FIG.
2 is a cross-sectional view taken along the line A-A 'in Fig.
FIG. 3 is a view showing the detailed structure of the first electrode shown in FIG. 1. FIG.
4 is a partial cutaway view showing a structure in which a first electrode is connected to an electrode part which is a main constituent of the present invention.
FIG. 5 is a perspective view showing a state where a second electrode is mounted in a manual arc welding torch according to the present invention. FIG.
6 is a sectional view taken along the line B-B 'in Fig. 5;
FIG. 7 and FIG. 8 are a partial cutaway view and a partial view illustrating a structure in which a second electrode is connected to an electrode portion, which is a main component of the present invention. FIG.
9 is a view showing a detailed structure of a second electrode which is a main component of the present invention.
FIGS. 10 to 12 are views for explaining a connection structure of a welded pipe using a pipe connecting pipe as a main component of the present invention. FIG.
Figs. 13 to 15 are views for explaining a welding position variable structure by a welding position adjusting unit which is a main constituent of the present invention. Fig.
16 is a view for explaining a thickness variable structure of a grip portion which is a main constituent of the present invention.

Hereinafter, specific embodiments of the present invention will be described with reference to the drawings. It is to be understood, however, that the spirit of the invention is not limited to the embodiments shown and that those skilled in the art, upon reading and understanding the spirit of the invention, may easily suggest other embodiments within the scope of the same concept.

FIG. 1 is a perspective view showing a state where a first electrode is mounted in a manual arc welding torch according to the present invention. FIG. 2 is a sectional view taken along line A-A ' FIG. 4 is a partial cut-away view illustrating a structure in which a first electrode is connected to an electrode unit, which is a main component of the present invention.

5 is a perspective view showing a state in which a second electrode is mounted in the manual arc welding torch according to the present invention. FIG. 6 is a sectional view taken along the line B-B 'in FIG. 5, 8 is a partial cutaway view and a partial plan view showing a structure in which a second electrode is connected to an electrode part of the present invention.

Referring to these drawings, a manual arc welding torch 1 according to the present invention generates an arc between an electrode and a base material to perform a welding operation. The arc welding torch 1 includes at least a welding line 10 including a power line for power supply A main body 400 which is accommodated in the main body 400 and provides a holding space for a user and an electrode according to a welding method connected to one side of the main body 400 and is connected to the main body 400 And an electrode unit 100 on which a user can selectively replace the electrode.

In more detail, the electrode unit 100 includes an electrode unit case 110 forming an outer appearance, a branching tube 110 disposed inside the electrode unit case 110 and capable of connecting electrodes at different positions (Not shown).

In the electrode unit case 110, a plurality of electrode holes (not shown) are formed at different positions so that the electrodes classified according to the welding method can be mounted in different shapes in at least two directions.

The branch pipe includes a first pipe (120) to which a first electrode (300) supplied with power through the welding line (10) is connected at a position corresponding to a part of the electrode holes, and a second pipe And a second pipe (140) formed in a direction intersecting with the first pipe (120) and connected to a second electrode (500) supplied with power through the weld pipe (10).

1, one electrode hole is formed on the front side of the electrode unit case 110 so that the first electrode 300 can be connected to the electrode unit case 110, One end of the first conduit 120 is positioned inside the case 110.

Two electrode holes are formed concentrically on the top and bottom of the electrode case 110 so that the second electrode 500 can be connected to the two electrode holes, Both ends of the two-channel channel 140 are positioned.

That is, the branch pipe is a cross-type pipe communicating in four directions and is formed of a conductive material and connected to the welded pipe 10. In addition, the first channel 120 is formed so that the front side is partially downward inclined in consideration of the welding position of the base material and the electrode.

The second conduit 140 is formed to intersect the sloped first conduit 120 and is electrically connected to the electrode unit 100 or the main body 400 by the welding position control unit 200, The second electrode 500, which is rotated and mounted, can be positioned so as to have a downward inclination forward.

The electrode unit case 110 may further include shielding means for selectively shielding the first channel 120 or the second channel 140 when the first electrode 300 or the second electrode 500 is connected. Respectively.

The shielding means is for shielding the electrode holes formed in the electrode case 110. When the arc welding is performed by the second electrode 500, the electrode holes, to which the first electrode 300 is coupled, Is shielded by the first cap 112, which is one component of the shielding means.

The first cap 112 is formed of an elastic rubber material so that the first cap 112 can be tightly fastened to the first channel 120 through which the first electrode 300 is fastened. A structure may be added to the electrode unit case 110 in a spiral manner.

When arc welding is performed by the first electrode 300, the electrode holes to which the second electrode 500 is coupled are connected to the second cap 114 and the third cap 116, Lt; / RTI >

The second cap 114 and the third cap 116 are formed in the same shape as the first cap 112 and are fastened to the upper channel and the lower channel of the second channel 140 in an interference fit manner, And can be rotationally fastened to the electrode unit case 110 in a spiral manner while being fitted.

In this embodiment, a CO 2 electrode is connected to the first electrode 300 connected to the first channel 120, and a tungsten electrode is connected to the second channel 140 through the second electrode 500 .

The CO 2 electrode is supplied with a consumable wire at a constant speed from a wire feeding device at a CO 2 tip 340 where a welding wire outlet 342 is formed, and an arc is generated between the wire and the workpiece by a power source, . During the welding operation using the CO 2 electrode, CO 2 gas is supplied through the welding line 10 to prevent arc or molten metal from being adversely affected by oxygen or nitrogen in the air.

To this end, in this embodiment, a CO 2 tip 340 for generating an arc from a power supplied through the first conduit 120 and a wire supplied through a wire feeder in the configuration of the CO 2 electrode, 2 tip 340 and includes a CO 2 nozzle 320 for injecting CO 2 gas toward the weld parent material.

A CO 2 gas diffuser 380 for diffusing a gas supplied to the CO 2 nozzle 320 is provided at a rear side of the CO 2 nozzle 320. The CO 2 gas diffuser 380 and the CO 2 tip 340 has a gas guide section research for preventing the reduction of the vortex of the gas and, welding power is supplied to the CO 2 nozzle 320 from the inside to guide the gas to spread the CO 2 nozzle 320 between ( 360 are further provided.

In detail, between said gas guide section R 360 is the CO 2 gas diffuser 380, CO 2 gas discharged the CO so as to surround the hole 382, second gas diffuser 380, and the CO 2, a nozzle 320 formed in the Connect.

To this end, a spiral-shaped nozzle coupling portion 366 is formed in the gas guide chamber 360 to rotate the rear end of the nozzle 320 to the front side of the nozzle body 361, and the CO 2 gas A housing portion in which a portion of the CO 2 gas discharge hole 382 of the diffuser 380 can be accommodated is formed.

Therefore, in the interior of the section research body 361, wherein the CO 2 is laterally discharged to the gas diffuser 380, the CO 2 nozzles 320, a plurality of guide holes 362 formed in the hideon CO 2 gas into contact with an inside on the front side The occurrence of vortex can be reduced.

A cooling unit 160 for cooling the electrode unit 100 is further provided at a rear end of the first conduit 120.

In detail, the cooling unit 160 is connected to a water line 30, which is formed of the same material as the first conduit 120 and is accommodated in the main body 400, to receive and store cooling water .

For this, the cooling unit 160 is formed in a circular or polygonal shape, and a hole is formed to have a diameter corresponding to the diameter of the first channel 120. The cooling unit 160 formed as described above is fitted in the brazing method after the holes are fitted to the first conduit 120.

Accordingly, the cooling water flowing into the cooling unit 160 cools the first conduit 120 while passing through the outer surface of the first conduit 120, and the cooling water flowing into the cooling unit 160 is discharged to the outside .

A first pipe connecting pipe (not shown) for connecting the first pipe 120 with the welded pipe 10 is connected to the rear end of the first pipe 120 together with a pipe connecting pipe 800 The first conduit connection pipe 170 may further include a first conduit connection portion 172 (see FIG. 10) to be rotatable with the first conduit 120.

Meanwhile, as described above, the tungsten electrode may be mounted on the second channel 140 of the electrode unit 100 as the second electrode 500.

Fig. 9 is a view showing a detailed structure of the second electrode which is the essential part of the present invention.

Referring to the drawings, in the embodiment of the present invention, the tungsten electrode, which is the second electrode 500, is an electrode used in TIG (Tunsten Inert Gas) welding and is made of tungsten having a high melting point in the form of a rod.

In the case of the tungsten electrode, unlike the first electrode 300 which performs the welding operation while consuming the wire, continuous supply of the wire is not required by using the non-consumable electrode, but when the welding operation is repeated several times, the tungsten electrode is consumed, The protruding length of the protrusion can be shortened.

Therefore, in this embodiment, the second electrode 500 includes a ceramic nozzle 520, an electrode collet chuck 530 for adjusting the length of the tungsten electrode 510 and the tungsten electrode 510, An electrode collet 550, an electrode adjusting bar 570, and an electrode adjusting bar housing 590.

In detail, the ceramic nozzle 520 is fastened to the section 560 in a configuration for discharging the inert gas toward the base material.

The above study 560 prevents the vortex of the inert gas discharged through the guide hole 562 formed on the front side in the same shape as the gas guide section 360 of the first electrode 300 described above, And prevents the welding power from being transmitted to the ceramic nozzle 520.

The tungsten electrode 510 is positioned to pass through the second channel 140 corresponding to the upper and lower electrode holes of the electrode unit case 110. The electrode collet chuck 530, The electrode adjusting bar 570 and the electrode adjusting bar housing 590 and is moved forward when the electrode adjusting bar button 574 provided at the rear end of the electrode adjusting bar 570 is pressed.

In detail, the electrode collet chuck 530 is formed in a circular tube shape having a diameter capable of receiving the tungsten electrode 510 therein, and an electrode collet chuck taper portion 532 extending outward is formed on the front side. An electrode adjusting bar fixing part 534 is formed on the rear side so as to be fastened to the electrode adjusting bar 570. In this embodiment, the electrode adjusting bar fixing part 534 is formed in a spiral shape for rotation.

The electrode collet 550 is located outside the electrode collet chuck 530 formed as described above.

The electrode collet 550 allows the inert gas to be supplied into the chamber 560.

For this, the electrode collet 550 has a portion formed with a gas outlet 552 through which the inert gas is discharged into the chamber 560, and has a tubular shape with a diameter smaller than that of the gas outlet 552, And an electrode collet tapered portion 554 for interfering with the first tapered portion 532 of the electrode collet.

That is, the electrode collet taper part 554 interferes with the electrode collet chuck taper part 532 on the inner side of the weld 560 so that the electrode collet chuck 530 presses the tungsten electrode 510 . When the electrode collet chuck 530 is pushed forward by a predetermined distance during the pressing operation of the electrode adjusting bar button 574, the interference between the electrode collet chuck taper 532 and the electrode collet chuck 530 is canceled The tungsten electrode 510 can be drawn out to a predetermined length.

The electrode adjusting bar 570 for pushing the electrode collet chuck 530 forward is provided with an electrode adjusting bar housing (not shown) which is fastened from the upper side of the electrode case 110 to the upper end of the second channel 140 590 to guide the drawing path.

The electrode adjusting bar 570 is elastically compressed between the electrode adjusting bar housing 590 and the electrode adjusting bar button 574 when the electrode adjusting bar button 574 is depressed. When the pressing operation is canceled, An electrode adjusting bar spring 572 for returning the electrode 570 to the initial position is provided.

The electrode adjusting bar housing 590 has a spring engagement jaw (not shown) having a predetermined stepped portion. The lower end of the electrode adjusting bar button 574 has a larger diameter than the jaw jaw So that the electrode adjusting bar spring 572 can maintain a fixed position between the lower end of the electrode adjusting bar button 574 and the engaging jaw.

When the user presses the electrode adjustment bar button 574 on the second electrode 500 configured as described above, the electrode adjustment bar 570 is drawn into the electrode adjustment bar housing 590, The chuck 530 is pushed forward.

Meanwhile, the electrode collet chuck 530 moved forward by a predetermined distance moves backward by the electrode adjusting bar spring 572 when the pressing operation of the electrode adjusting bar button 574 is canceled. At this time, The tungsten electrode 510 is fixed while being pressed by the electrode collet chuck taper portion 532.

As a result, in the present embodiment, when the tungsten electrode 510 is constrained by the tapered portions 532 and 554 of the electrode collet chuck 530 and the electrode collet 550, The electrode collet chuck 530 is drawn out to the front side and the interference is canceled and the binding force applied to the tungsten electrode 510 is canceled.

Accordingly, the tungsten electrode 510 can be drawn out to a predetermined length by its own weight as the tongue electrode 510 is in a restrained state, and the electrode collet chuck 530, which is returned to the initial position when the electrode adjusting bar button 574 is depressed So that a fixed position is maintained.

The body housing 410 may further include a welding characteristic parameter adjusting unit 420, a display 440, and a plurality of control buttons 430 on a part of the upper surface of the body housing 410.

The display 440 may control the welding characteristic by adjusting the current and voltage supplied to the wire feeding device to be described below, So that the operator can easily check the welding operation state.

For example, since the first electrode 300 is mounted on the electrode unit 100, the wire supply state, the gas supply state, and the cooling method can be shown on the display 440 through the wire feeder, It is possible to more easily confirm the state of the welding operation.

 The control button 430 may include buttons for turning on / off the display 440 or turning on / off the main power through the wire feeder, and the welding characteristic parameter adjuster 420 and the display 440 And the control button 430 may be connected to the wire feeder through separate communication means.

The manual arc welding torch 1 according to the present invention is different from the conventional method in which a welding pipe 10 is connected by compression to cause a problem in the welding pipe 10, Can be connected without a pressing operation by a pressing operation.

In detail, the pipe connection port 800, which is a main component of the present invention, is connected to the welding pipeline 10 when the electrode unit 100 is connected to the welding pipeline 10 or when the welding pipeline 10 is connected to the end kit, So as to be fastened.

10 to 12 are views for explaining a connection structure of a welded pipe using a pipe connecting port constituting a substantial part of the present invention.

Referring to these figures, in the present embodiment, the pipe connecting port 800 is provided to connect the first pipe connecting pipe 170 (see FIG. 7) of the electrode unit 100 with the welded pipe 10, The pipe connecting port 800 presses the welded pipe 10 so that the end of the first pipe connecting pipe 170 is in contact with the welded line 12 on the inner side of the pipe 10 to maintain the state of continuity.

In detail, the pipe connection port 800 includes a second collet chuck 840 for receiving the welding pipeline 10 therein, and a second collet chuck 840 for receiving at least a portion of the second collet chuck 840 therein, A first collet chuck 820 for pressing the second collet chuck 840 and a collet chuck body 840 for receiving the first collet chuck 820 and applying pressure to the first collet chuck 820, (860).

The second collet chuck 840 uniformly pressurizes the weld line 10 when external pressure is applied in a state where the weld line 10 is accommodated therein.

For this, the second collet chuck 840 is formed in a cylindrical shape and includes a second collet chuck body 841 in which a plurality of slits 843 (hereinafter referred to as 'second slits') are uniformly formed in the longitudinal direction, And a plurality of protrusions 846 protruding outwardly in a one-to-one correspondence with the portions partitioned by the two slits 843.

The first collet chuck 820 is formed in a cylindrical shape having a larger diameter so as to accommodate the second collet chuck 840 therein and includes a plurality of slits 823 A first collet chuck tapered portion 824 protruding outward at an end portion of the portion defined by the first slit 823, and a second collet chuck tapered portion 824 protruding outward at an end portion thereof, And a plurality of protrusion receiving holes 826 corresponding to the portions defined by the first slits 823 and formed in a shape and size corresponding to the protrusions 846.

The first collet chuck 820 has a collet chuck main body coupling portion 822 to be coupled with the first collet chuck main body 821. The first pipe connecting pipe 170 is connected to the front inner diameter of the collet chuck body coupling portion 822, The first collet chuck coupling part 174 formed on the first collet chuck coupling part 174 is rotatably coupled.

When the first collet chuck 820 is coupled with the second collet chuck 840, the plurality of protrusions 846 are coupled to the projection receiving holes 826 in a one-to-one correspondence with each other, and the first collet chuck 820 The first collet chuck body 821 is fastened to the outside of the first collet chuck body 830 and the second collet chuck 840.

The first collet chuck body 821 is formed into a cylindrical shape having an inner diameter larger than the outer diameter of the first collet chuck 820 so as to be rotatably coupled while receiving the first collet chuck 820 therein And a spiral is formed on the inner diameter portion so that the collet chuck body engagement portion 822 can be rotated.

Hereinafter, a process of connecting the welded pipe 10 by the pipe line connector 800 having the above-described structure will be described.

First, the weld line (12) is exposed to the inside of the weld line (10) when the shell is removed. The exposed weld line 12 is drawn into the combined body of the first and second collet chucks 820 and 840 and contacts the end of the first pipe connecting pipe 170. The diameter of the first pipe connecting pipe 170 may be larger than the inner diameter of the weld line 12 or may be smaller than the inner diameter of the weld line 12 to prevent the first pipe connecting pipe 170 and the weld line 12 At least a portion of which can be fitted and contacted with each other.

 When the first channel connecting pipe 170 and the weld line 12 are in contact with each other as described above, the first collet chuck 820 and the collet chuck main body 860 are coupled while rotating, The collet chuck body 860 is moved toward the welded pipe 10.

That is, the collet chuck body 860 is rotated while being rotated from the front side of the first collet chuck 820 toward the weld line 10. As the rotation continues, the protrusion 846 protruding outside the protrusion receiving hole 826 is pressed by the collet chuck body 860 so that the second collet chuck 840 presses at least the weld line 12 So that the welded pipe 10 forms a firm connection with the first pipe connecting pipe 170.

When the first collet chuck main body 860 is continuously rotated in the same direction with the coupling relationship as described above, the first collet chuck main body 860 further moves in the direction of the weld line 10, The first collet chuck body 860 presses the first collet chuck taper portion 824 so that additional engaging force is exerted to maintain a more rigid engagement relationship.

In the manual arc welding torch 1 according to the present invention having the above-described connection structure of the welding pipe 10, the position of the electrode part 100 in the main body 400 is adjusted by the welding position adjusting part 200, So that it is rotatable.

13 to 15 are views for explaining the welding position variable structure by the welding position adjusting unit which is a main constituent of the present invention.

Referring to these drawings, a manual arc welding torch 1 according to the present invention is provided with a welding position adjusting part 200 for adjusting the welding position between the electrode part 100 and the main body 400 described above.

In detail, the welding position adjusting unit 200 includes a welding pipe 10, an air supply line 20, and a water supply line 30, which are connected to the electrode unit 100 through the inside of the main body 400 So that the electrode unit 100 moves in the front-rear direction or rotates in the axial direction on the basis of the main body 400. In addition,

The welding position adjusting unit 200 includes a first pipe 220 and a second pipe 240 and a pipe holder 480 and a pipe pressure clamp 210 for pressing and fixing the pipe.

One end of the first pipe 220 is fastened and fixed to the electrode case 110 and the other end of the first pipe 220 is fastened within the second pipe 240.

Accordingly, the first pipe 220 can be inserted into and drawn out from the second pipe 240 to the fixing position.

The second pipe 240 is fixed to the inside of the body housing 410. Although not shown, a step or stopper is provided on the inner diameter of the front end of the second pipe 240 to interfere with the rear end of the first pipe 220.

The pipe holder part 480 may be integrally formed with the body housing 410. The pipe holder part 480 may be formed in a semicircle shape surrounding the outer surface of the first pipe 220 to form a predetermined gap 482 And surrounds the first pipe 220.

The pipe clamping fixture 210 is rotatably coupled to the pipe holder 480 and presses the pipe holder 480 according to the degree of rotation. Accordingly, the first pipe 220 can be selectively drawn out and rotated from the inside of the second pipe 240 according to the degree of the pressure of the pipe holder 480 of the pipe pressure clamp 210.

Hereinafter, the case where the position of the electrode unit 100 is varied by the welding position adjusting unit 200 having the above-described configuration will be described.

If a welding operation requiring a longer distance is required during the arc welding, the operator rotates the pipe pressing fastener 210 in the unbonding direction to loosen the pressing force of the pipe holder part 480.

When the pressing force of the pipe holder part 480 is loosened through the above process, the operator pulls the electrode part 100 or the first pipe 220 from the main body 400 and pulls the electrode part 100 or the first pipe 220 in a straight direction can do.

The worker pushes the pipe holder 480 by rotating the pipe clamping fixture 210 in the clamping direction again so that the first pipe 220 is pulled out while the first pipe 220 is pulled out, The position can be fixed.

In the case where the electrode is to be laterally oriented in the course of performing the arc welding, the operator rotates the pipe pressing fixture 210 in the unlocking direction as in the case of the length adjustment described above, Loosen the pressing force.

In the state in which the pressing force is loosened as described above, the operator rotates the electrode unit 100 or the first pipe 220 in the axial direction, as shown in FIG. 15, and then moves the pipe pressing fastener 210 in the fastening direction The welding position can be fixed with the electrode facing sideways by pressing the pipe holder part 480 by rotating it.

Meanwhile, the grip portion 460 provided on the main body 400 and held by the user can be selectively adjusted in thickness.

Fig. 16 is a view for explaining the thickness variable structure of the grip portion which is a main constituent of the present invention.

The grip portion 460 includes a handle 461 formed to surround the upper and both sides of the body housing 410 and a handle 461 extending from the side of the body housing 410, A handle fastener 464 for fastening the handle 461 to the body housing 410 and a handle guide hole 462 formed in the handle 461 in a vertically long direction.

In detail, the handle 461 may be formed of an insulating material as a portion that is directly in contact with the user for the operation, and a plurality of non-slip projections may be formed at the contact portion. The body housing 410 is further provided with a seating part 430 for seating the handle 461. Although not shown, the seating part 430 is provided with a handle 461 for vertically moving the handle 461, And a guide groove or a rib corresponding to the guide rib or the guide groove may be formed on the inner surface of the handle 461.

The handle guide hole 462 is formed long in the vertical direction at the side of the handle 460. Correspondingly, the body housing 410 is formed with a fastening hole through which the handle fastener 464 can be rotated at a position corresponding to at least the lower end and the upper end of the handle guide hole 462.

The handle fastener 464 is inserted into the handle guide hole 462 formed as described above and is pivotally coupled to the fastening hole formed in the body housing 410 and fastened to the upper or lower end of the handle guide hole 462 The thickness of the grip portion 460 can be varied.

That is, when it is desired to extend the thickness of the grip portion 460, the gripper 464 fixing the grip 461 is rotated until the gripping force is released, and then the grip 461 is moved to the body housing 410 So that the handle fastener 464 corresponds to the lower end of the handle guide hole 462. [

When the handle 464 is rotated in the fastening direction in the above state, the handle 461 may be spaced a predetermined distance from the body housing 410 to extend the thickness of the handle 460.

When the thickness of the grip portion 460 is reduced in the above-described state, the engagement force of the gripper 464 is released, the grip 461 is lowered toward the body housing 410, The grip portion 460 can be fixed in a reduced thickness state when the grip portion 460 is fixed in a state of being positioned at the upper end of the handle guide hole 462. [

100: Electrode part 200: Welding position adjusting part
300 First electrode 400 Main body
500 ........ Second electrode

Claims (4)

A manual arc welding torch for generating an arc between an electrode and a base material to perform a welding operation,
A main body accommodating therein a welding line including at least a power line for power supply and providing a user's gripping space;
An electrode unit connected to one side of the main body to mount an electrode according to a welding method; And
And a welding position adjusting unit connecting between the electrode unit and the main body and capable of moving or rotating the electrode unit in the longitudinal direction,
In the welding position adjusting portion,
A second pipe disposed inside the main body while receiving and protecting a welding line, an air supply line and a water supply line connected to the electrode unit,
A first pipe formed to have a diameter smaller than the diameter of the second pipe and configured to be linearly movable and rotatable within the second pipe; And
And a pipe pressurizing fixture for pressing and fixing the first pipe while being rotationally fastened to the main body.
[2] The apparatus of claim 1,
Further comprising a pipe holder portion surrounding the outer surface of the first pipe, wherein a spiral is formed on an outer surface of the pipe holder portion to press the first pipe while rotating the pipe pressing fastener.
3. The method of claim 2,
Wherein the pipe holder part is integrally formed with a body housing constituting the main body, and two pairs of semicircular shapes form a predetermined gap therebetween and surround the first pipe.
The method according to claim 1,
The main body is provided with a gripper gripped by a user,
In the grip portion,
A handle mounted on a handle seat portion provided on an upper surface of the main body and slidable up and down;
A handle guide hole formed to be vertically long in one side of the handle,
And a handle fastener inserted into the handle guide hole and rotated,
Wherein the handle fastener restricts or restrains the handle according to the rotating direction and can be fixed after the moving position of the handle is varied.
KR1020150122592A 2015-08-31 2015-08-31 Manual type arc-welding torch KR101698195B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1020150122592A KR101698195B1 (en) 2015-08-31 2015-08-31 Manual type arc-welding torch

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020150122592A KR101698195B1 (en) 2015-08-31 2015-08-31 Manual type arc-welding torch

Publications (1)

Publication Number Publication Date
KR101698195B1 true KR101698195B1 (en) 2017-01-19

Family

ID=57990854

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020150122592A KR101698195B1 (en) 2015-08-31 2015-08-31 Manual type arc-welding torch

Country Status (1)

Country Link
KR (1) KR101698195B1 (en)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20120002058U (en) * 2010-09-10 2012-03-20 최우영 Input device for touch panel

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20120002058U (en) * 2010-09-10 2012-03-20 최우영 Input device for touch panel

Similar Documents

Publication Publication Date Title
US8866036B2 (en) Welding torch and adapter kit
EP0477234B1 (en) System for use in electrode welding and gas/arc welding
KR101855686B1 (en) Semiautomatic welding system, conversion adapter kit, and welding torch
JP6255641B2 (en) Wire aiming guide and welding equipment
US3878354A (en) Welding gun chuck assembly
JP2004074285A (en) Nozzle assembly for welding gun
KR101698191B1 (en) tungsten inert gas arc welders having length adjustable tungsten electrode
JP6154549B2 (en) Welding torch and mounting jig
US20090071942A1 (en) Method and apparatus of welding with electrical stickout
KR101698194B1 (en) Integrated arc-welding torch
KR101698195B1 (en) Manual type arc-welding torch
CN211102075U (en) Welding gun
CN214322133U (en) Wire feeder for non-metal inert gas shielded arc welding capable of being held vertically and being held horizontally and deeply
KR101791116B1 (en) A total welding torch
KR101791145B1 (en) A total welding torch
KR101791147B1 (en) A head assembly for welding torch
KR101931267B1 (en) Welding torch
CN112658438A (en) Deep type non-consumable electrode inert gas shielded arc welding wire feeding system
KR101698192B1 (en) Welding supply line coupling device of integrated arc-weling torch
JP6502457B2 (en) Wire aiming guide and welding device
CN110773851A (en) Welding gun
KR101791146B1 (en) A total welding torch
JP6763752B2 (en) Welding torch and wire aiming guide
KR20190109875A (en) TIG welding torch with improved material supply structure

Legal Events

Date Code Title Description
GRNT Written decision to grant