KR101277451B1 - Device for displaying the remainder of welding wire of co2 gas welding system - Google Patents

Device for displaying the remainder of welding wire of co2 gas welding system Download PDF

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Publication number
KR101277451B1
KR101277451B1 KR1020100138011A KR20100138011A KR101277451B1 KR 101277451 B1 KR101277451 B1 KR 101277451B1 KR 1020100138011 A KR1020100138011 A KR 1020100138011A KR 20100138011 A KR20100138011 A KR 20100138011A KR 101277451 B1 KR101277451 B1 KR 101277451B1
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South Korea
Prior art keywords
welding
wire
carbon dioxide
welding wire
controller
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KR1020100138011A
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Korean (ko)
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KR20120076041A (en
Inventor
김진군
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주식회사 성우하이텍
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Publication of KR20120076041A publication Critical patent/KR20120076041A/en
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  • Physics & Mathematics (AREA)
  • Plasma & Fusion (AREA)
  • Mechanical Engineering (AREA)
  • Arc Welding In General (AREA)

Abstract

The welding wire remaining amount notification device for the carbon dioxide gas welding device according to the exemplary embodiment of the present invention enables the operator to recognize the replacement timing of the welding wire at the time of exhausting the welding wire, thereby stably maintaining the replacement timing of the welding wire. The welding torch mounted on the arm tip of the robot, the wire drum connected through the welding torch and the transfer pipe to supply the welding wire, and the welding torch and the gas pipe are connected to the carbon dioxide gas (CO 2 ). A carbon dioxide gas welding device comprising a carbon dioxide gas tank supplied to a welding portion, and a carbon dioxide gas welder connected to the welding torch, wherein the welding wire is configured to be connected to the wire drum and is electrically connected to a controller. A switching unit forming an opening and closing circuit with the controller through; And display means for displaying the operator so as to recognize the replacement time of the welding wire according to the electrical opening / closing signal output from the controller.

Description

Welding wire level notification device for CO2 welding device {DEVICE FOR DISPLAYING THE REMAINDER OF WELDING WIRE OF CO2 GAS WELDING SYSTEM}

Exemplary embodiments of the present invention relate to a welding wire remaining amount notification device for a carbon dioxide gas welding device, and more particularly, for a carbon dioxide gas welding device that allows the operator to recognize the replacement time of the welding wire at the time of exhausting the welding wire. It relates to a welding wire remaining amount notification device.

In general, carbon dioxide (CO 2 ) welding emits inert gas carbon dioxide (CO 2 ) to cut off the welding part from the atmosphere, and the welding wire is supplied therein to produce a welding base material and discharge phenomenon using the electrode as an electrode. It is a welding method.

In particular, carbon dioxide gas welding is widely used as a method of joining a blocked structure in which the welding gun cannot enter due to the characteristics of the vehicle structure, and is equipped with an automated system using a robot.

1 is an overall configuration diagram of a general carbon dioxide gas welding apparatus, in which a general carbon dioxide gas welding apparatus is equipped with a welding torch 5 at the tip of an arm 3 of the robot 1, and a wire is formed inside the welding torch 5. It is configured to receive the welding wire 9 from the drum 7 through the transfer pipe 15.

The welding torch 5 is configured to be connected to the carbon dioxide gas tank 11 and the gas pipe 13 so as to receive the carbon dioxide gas CO2 and discharge the carbon dioxide gas toward the welding portion.

In addition, the welding torch 5 is configured to be connected to the carbon dioxide welding machine 10 to receive a welding power supply.

In the welding using the carbon dioxide gas welding device, the matching state of the welding wire 9 and the welding portion, the feeding speed of the wire, proper current and voltage adjustment, and the like have a significant influence on the welding quality.

However, the carbon dioxide gas welding apparatus as described above does not cope with this in advance when the welding wire 9 in the wire drum 7 is completely exhausted during the welding, and when the welding operation proceeds, product defects, of course, There is a problem of productivity decrease due to re-progression.

On the one hand, large-capacity wire drum of 300Kg level is used to reduce the replacement work of the welding wire 9, but in large-scale workplaces, welding wire replacement is often performed, and it is not easy to check and prepare the wire drum 7 in advance. .

Therefore, the replacement time of the welding wire 9 is prepared in advance by recognizing the replacement timing of the welding wire 9 in advance, thereby reducing the replacement time of the welding wire, and if the continuous supply of the welding wire is possible, It will contribute to productivity by preventing welding defects caused by unsupply.

Exemplary embodiments of the present invention provide a device for notifying the amount of welding wire remaining for a carbon dioxide welding device, which enables the operator to recognize the timing of replacement of the welding wire at the time of exhausting the welding wire. to provide.

The welding wire remaining amount notification device for the carbon dioxide welding device according to an exemplary embodiment of the present invention is a welding torch mounted on the arm tip of the robot, a wire drum connected through the welding torch and the transfer pipe to supply a welding wire; In the carbon dioxide gas welding apparatus comprising a carbon dioxide gas tank connected through the welding torch and a gas pipe for supplying carbon dioxide (CO 2 ) to the welding portion, and a carbon dioxide gas welder connected to the welding torch,

A switching unit configured in the wire drum, the welding wire passing through, the switching unit electrically connected to the controller, and an opening / closing circuit with the controller through the welding wire; And display means for displaying the operator so as to recognize the replacement time of the welding wire according to the electrical opening / closing signal output from the controller.

In the welding wire remaining amount notification device for the carbon dioxide gas welding device, the switching unit is installed to be connected to the inner wall surface of the wire drum, the through-hole is installed insulated from each other and the welding wire can pass through And a pair of electrical connection members electrically connected to the controller.

In the welding wire remaining amount notification device for the carbon dioxide gas welding device, when the welding wire passes through the through-holes of the respective electrical connection member, the electrical connection member and the controller can form a closed circuit. In this case, the controller may apply an off signal to the display means.

In the welding wire remaining amount notification device for the carbon dioxide gas welding device, when the welding wire passes through the through hole of one of the pair of electrical connection member, the electrical connection member and the controller can make an open circuit. In this case, the controller may apply an ON signal to the display means.

In the welding wire remaining amount notification device for the carbon dioxide gas welding device, a positive terminal (+) (-) connected to each of the electrical connection members may be installed in the housing.

In the welding wire remaining amount notification device for the carbon dioxide gas welding device, the housing may be formed as an insulator capable of insulating the pair of electrical connection members.

In the welding wire remaining amount notification device for the carbon dioxide gas welding device, the electrical connecting member may be disposed in the housing in the vertical direction.

In the welding wire remaining amount notification device for the carbon dioxide gas welding device, a connection hole connected to the through hole may be formed between the electrical connection member.

In the welding wire remaining amount notification device for the carbon dioxide gas welding device, each through hole may be formed of a straight section and a bias section inclined at an angle with respect to the straight section.

In the welding wire remaining amount notification device for the carbon dioxide gas welding device, the switching unit and the controller may be connected via a wire wire.

In the welding wire remaining amount notification device for the carbon dioxide gas welding device, the wire wire may be wound in the form of a coil between the inner wall surface of the wire drum and the switching unit.

In the welding wire remaining amount notification device for the carbon dioxide gas welding device, a bushing member for guiding the welding wire to the through hole may be coupled to the electrical connection member.

In the welding wire remaining amount notification device for the carbon dioxide gas welding device, the display means may be made as a lamp for emitting light in accordance with the output signal of the controller.

According to the exemplary embodiment of the present invention as described above, the timing of replacement of the welding wire is stable by configuring a switching unit in the inside of the wire drum that allows the operator to recognize the replacement timing of the welding wire at the time of exhausting the welding wire. It can be expected to be effective in preventing product defects and improving productivity by making it possible to maintain the product.

These drawings are for the purpose of describing an exemplary embodiment of the present invention, and therefore the technical idea of the present invention should not be construed as being limited to the accompanying drawings.
1 is an overall configuration diagram of a general carbon dioxide welding device.
2 is a perspective view illustrating a welding wire remaining amount notification device for a carbon dioxide gas welding device according to an exemplary embodiment of the present invention.
3 is a cross-sectional view of FIG. 2.
4 and 5 is an operation state diagram of the welding wire remaining amount notification device for the carbon dioxide gas welding apparatus according to an exemplary embodiment of the present invention.

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings so that those skilled in the art may easily implement the present invention. The present invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein.

In order to clearly illustrate the present invention, parts not related to the description are omitted, and the same or similar components are denoted by the same reference numerals throughout the specification.

In addition, since the size and thickness of each component shown in the drawings are arbitrarily shown for convenience of description, the present invention is not necessarily limited to those shown in the drawings, and is shown by enlarging the thickness in order to clearly express various parts and regions. It was.

2 is a perspective view illustrating a welding wire remaining amount notification device for a carbon dioxide gas welding device according to an exemplary embodiment of the present invention, and FIG. 3 is a cross-sectional view of FIG. 2.

Referring to the drawings, the carbon dioxide gas welding apparatus applied to the exemplary embodiment of the present invention, as shown in Figure 1, the welding torch 5 is mounted on the tip of the arm (3) of the robot 1, the welding torch The inside of the (5) is configured to receive the welding wire (9) through the transfer pipe 15 from the wire drum (7).

The welding torch 5 is connected through the carbon dioxide tank 11 and the gas pipe 13 and is configured to receive carbon dioxide CO 2 and discharge it toward the welding portion. The welding torch 5 is configured to be connected to the carbon dioxide gas welding machine 10 to receive welding power.

4 and 5, a wire cover 21 covering the upper portion of the welding wire 9 wound in a coil shape may be mounted on the inside of the wire drum 7. The wire cover 21 forms a through hole 23 so that the welding wire 9 is released in the center thereof.

In the carbon dioxide gas welding device, the welding wire remaining amount notification device 100 according to an exemplary embodiment of the present invention is configured inside the wire drum 7.

The welding wire remaining amount notification device 100 according to the present embodiment is for enabling the operator to recognize the replacement time of the welding wire 9 when the welding wire 9 is exhausted, and displaying the switching unit 40. It comprises a means 80, which will be described for each configuration as follows.

The switching unit 40 is configured in the wire drum 7 and passes through the welding wire 9, is electrically connected to the controller 60, and forms an opening and closing circuit with the controller 60 through the welding wire 9. It is made as a structure.

The switching unit 40 is installed to be connected to the inner wall surface of the wire drum 7 and the through hole 43 which is installed to be insulated from each other in the housing 41 and through which the welding wire 9 can pass. It may be configured to include a pair of electrical connection member 45 having a) and electrically connected to the controller 60.

That is, in the present embodiment, a pair of electrical connection members 45 are configured to be electrically connected to the controller 60, so that the welding wire 9 passes through the through hole 43 of the electrical connection member 45. At this time, the electrical connection member 45 and the controller 60 form a closed circuit (ON circuit). At this time, the controller 60 applies an OFF signal to the display means 80 which will be described later.

In this embodiment, when the welding wire 9 passes through the through hole 43 of one of the pair of electrical connecting members 45, the electrical connecting member 45 and the controller 60 are open circuited (OFF). Circuit). At this time, the controller 60 applies an ON signal to the display means 80.

In the above, the housing 41 is formed as an insulator capable of insulating a pair of electrical connecting members 45, and the upper and lower ends when the mounting groove 47 for mounting the electrical connecting members 45 is referred to the drawings. It is formed in.

In addition, the housing 41 is provided with (+) (-) connecting terminals 48 and 49 connected to each of the electrical connecting members 45.

In this embodiment, the electrical connection member 45 is disposed in the housing 41 in the vertical direction, it can be mounted in the mounting groove 47 of the housing 41 as mentioned above.

Here, the through hole 43 of the electrical connecting member 45 is provided in the straight section 44a and the straight section 44a to increase the contact area of the welding wire 9 with respect to the electrical connecting member 45. Comprising a bias section 44b inclined at an angle with respect to.

In addition, a bush member 51 for guiding the welding wire 9 to the through hole 43 may be coupled to the electrical connection member 45.

The bush member 51 may be male-to-female coupled to each of the electrical connection members 45 at the upper and lower end sides of the housing 41. The bush member 51 is formed with a guide hole 52 through which the welding wire 9 can pass.

On the other hand, the housing 41 is formed between the electrical connection member 45, the connecting hole 53 is connected to the through hole 43.

That is, the welding wire 9 which has passed through any one of the electrical connection members 45 passes through the connection hole 53 of the housing 41 and informs the other electrical connection member 45.

In addition, the controller 60 is electrically connected to the connection terminals 48 and 49 of the housing 41 through the wire wire W. In the present embodiment, the wire wire W is connected to the wire drum 7. A coil wound in the form of a coil is formed between the inner wall surface and the housing 41.

This is to allow the housing 41 to stably descend along the wire cover 21 when the wire cover 21 descends while the welding wire 9 is released.

In the present embodiment, the display means 80 is for displaying so that the operator can recognize the replacement time of the welding wire 9 in accordance with the electrical opening and closing signal output from the controller 60.

The display means 80 is preferably made of a lamp 81 for emitting light in accordance with the output signal of the controller (60).

Here, the lamp 81 may be mounted on an external side of the wire drum 7, but the installation position is particularly limited as long as the resident space or the position where the operator can easily recognize the light emission of the lamp 81. It doesn't happen.

In the above, the controller 60 includes a control logic for outputting a corresponding output signal to the lamp 81 which is the display means 80 when the electrical opening / closing signal of the switching unit 40 is input.

Therefore, the operation of the welding wire remaining amount notification device 100 for the carbon dioxide gas welding apparatus according to an exemplary embodiment of the present invention configured as described above, as shown in Figure 4, the wire drum due to the welding operation of the carbon dioxide gas welding apparatus (7) The welding wire 9 inside is loosened and supplied to the welding torch 5.

In the process of supplying such a welding wire, in this embodiment, the welding wire 9 passes through the through holes 43 of the respective electrical connection members 45 and the electrical connection member 45 and the controller 60 are closed circuits (ON). Circuit).

Then, the controller 60 applies an OFF signal to the lamp 81 that is the display means 80.

Meanwhile, in the present embodiment, as shown in FIG. 5, the welding wire 9 in the wire drum 7 is exhausted so that the wire cover 21 descends, and the welding wire 9 is a pair of electrical connection members 45. When passing through one of the through holes 43), the electrical connection member 45 and the controller 60 forms an open circuit (OFF circuit).

Then, the controller 60 applies an ON signal to the lamp 81 which is the display means 80 and emits the lamp 81 to inform the worker of the replacement time of the welding wire 9.

As described above, according to the welding wire remaining amount notification device 100 for the carbon dioxide welding device according to the exemplary embodiment of the present invention, the switching unit 40 is turned on when the welding wire 9 inside the wire drum 7 is exhausted. By detecting this through the operator can recognize the replacement time of the welding wire (9) allows the operator to maintain a stable replacement timing of the welding wire (9).

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is to be understood that the invention is not limited to the disclosed exemplary embodiments, but, on the contrary, And it goes without saying that the invention belongs to the scope of the invention.

40 ... Switching unit 41 ... Housing
43 ... through hole 44a ... straight line
44b ... Bias section 45 ... Connection member
47 ... Mounting groove 48, 49 ... Terminal
51 ... Bushing member 52 ... Guide hole
53 ... connection hole 60 ... controller
80 ... indicator 81 ... lamp
W ... wire wire

Claims (11)

A welding torch mounted on the arm tip of the robot, a wire drum connected through the welding torch and a conveying pipe to supply a welding wire, and connected through the welding torch and a gas pipe to supply carbon dioxide (CO 2 ) to the welding part. In the carbon dioxide gas welding device comprising a carbon dioxide tank and a carbon dioxide gas welder connected to the welding torch,
A switching unit configured in the wire drum, the welding wire passing through, the switching unit electrically connected to the controller, and an opening / closing circuit with the controller through the welding wire; And
Display means for displaying so that the operator can recognize the replacement time of the welding wire in accordance with the electrical opening and closing signal output from the controller,
The switching unit has a housing which is installed to be connected to the inner wall surface of the wire drum, and a pair of electricity that is electrically insulated from the housing and has a through hole through which the welding wire can pass and is electrically connected to the controller. Including a connecting member,
And a bush member for guiding the welding wire through the hole is coupled to the electrical connection member. delete The method according to claim 1,
When the welding wire passes through the through holes of the respective electrical connecting members, the electrical connecting members and the controller make a closed circuit,
And said controller applies an off signal to said display means. The method of claim 3,
When the welding wire passes through the through hole of one of the pair of electrical connecting members, the electrical connecting member and the controller make an open circuit,
And said controller applies an on signal to said display means. The method according to claim 1,
In the housing,
(+) (-) Connecting terminal is connected to each of the electrical connection member is a welding wire remaining amount notification device for a carbon dioxide welding device, characterized in that the installation. 6. The method of claim 5,
The housing includes:
The welding wire remaining amount notification device for a carbon dioxide gas welding device, characterized in that the non-conductor capable of insulating the pair of electrical connection members. The method according to claim 1,
The electrical connection member is disposed in the housing in the vertical direction,
And a connecting hole connected to the through hole between the electrical connecting member is formed in the housing. The method of claim 7, wherein
And each through hole comprises a straight section and a bias section inclined at an angle with respect to the straight section. The method according to claim 1,
The switching unit and the controller are connected via a wire wire,
The wire wire notification device for the remaining amount of welding wire for the carbon dioxide welding device, characterized in that the coil wound between the inner wall surface of the wire drum and the switching unit. delete The method according to claim 1,
The display means displays,
Remaining wire notification device for a carbon dioxide gas welding device, characterized in that made as a lamp for emitting light in accordance with the output signal of the controller.
KR1020100138011A 2010-12-29 2010-12-29 Device for displaying the remainder of welding wire of co2 gas welding system KR101277451B1 (en)

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KR101277451B1 true KR101277451B1 (en) 2013-06-27

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11285557B2 (en) 2019-02-05 2022-03-29 Lincoln Global, Inc. Dual wire welding or additive manufacturing system

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5782481U (en) * 1981-10-01 1982-05-21
JP3062150U (en) * 1999-03-15 1999-09-28 オムロン株式会社 Welding wire sensor
KR100837103B1 (en) * 2006-12-27 2008-06-11 주식회사 성우하이텍 Device for displaying the remainder of welding wire of co2 gas welding system

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5782481U (en) * 1981-10-01 1982-05-21
JP3062150U (en) * 1999-03-15 1999-09-28 オムロン株式会社 Welding wire sensor
KR100837103B1 (en) * 2006-12-27 2008-06-11 주식회사 성우하이텍 Device for displaying the remainder of welding wire of co2 gas welding system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11285557B2 (en) 2019-02-05 2022-03-29 Lincoln Global, Inc. Dual wire welding or additive manufacturing system

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