KR101572383B1 - Apparatus for recovering flux - Google Patents

Apparatus for recovering flux Download PDF

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Publication number
KR101572383B1
KR101572383B1 KR1020140111811A KR20140111811A KR101572383B1 KR 101572383 B1 KR101572383 B1 KR 101572383B1 KR 1020140111811 A KR1020140111811 A KR 1020140111811A KR 20140111811 A KR20140111811 A KR 20140111811A KR 101572383 B1 KR101572383 B1 KR 101572383B1
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KR
South Korea
Prior art keywords
flux
storage unit
unit
humidity
heated
Prior art date
Application number
KR1020140111811A
Other languages
Korean (ko)
Inventor
김영준
유원효
최원규
Original Assignee
현대제철 주식회사
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Application filed by 현대제철 주식회사 filed Critical 현대제철 주식회사
Priority to KR1020140111811A priority Critical patent/KR101572383B1/en
Application granted granted Critical
Publication of KR101572383B1 publication Critical patent/KR101572383B1/en

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    • 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
    • B23K9/32—Accessories
    • B23K9/324—Devices for supplying or evacuating a shielding or a welding powder, e.g. a magnetic powder
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/42—Auxiliary equipment or operation thereof
    • B01D46/4245—Means for power supply or devices using electrical power in filters or filter elements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/42—Auxiliary equipment or operation thereof
    • B01D46/4263—Means for active heating or cooling
    • 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
    • B23K9/32—Accessories
    • B23K9/327—Means for transporting supplies
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B3/00—Drying solid materials or objects by processes involving the application of heat

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Plasma & Fusion (AREA)
  • Mechanical Engineering (AREA)
  • Drying Of Solid Materials (AREA)
  • Arc Welding In General (AREA)
  • Electric Connection Of Electric Components To Printed Circuits (AREA)

Abstract

Provided in the present invention is an apparatus for recovering a flux, comprising a flux storage part forming a storage space for a flux; a flux supply part supplying the flux from the flux storage part to a welding part; a flux recovery part forcibly recovering the flux remaining in the welding part to the flux storage part; and a flux dry part drying the flux stored and recovered into the flux storage part.

Description

[0001] APPARATUS FOR RECOVERING FLUX [0002]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a flux recovery apparatus, and more particularly, to a flux recovery apparatus capable of supplying a flux to a welded portion after drying and drying the flux to be recovered.

Generally, submerged arc welding (SAW) is carried out in the field of shipbuilding and the like when working on large pipes, flat plates and the like.

In the submerged arc welding, flux is supplied to the welding portion to generate an arc between the wire tip automatically supplied in the flux and the base material, thereby continuously performing welding.

Prior art related to the present invention is Korean Patent Laid-Open Publication No. 10-2014-0033866 (published on Mar. 19, 2014).

An object of the present invention is to provide a flux recovery apparatus capable of supplying a flux to a welded portion after drying and drying the flux to be recovered and waiting the flux.

It is another object of the present invention to provide a flux recovery apparatus capable of performing a constant humidity inside a storage unit in which a flux to be supplied or recovered is stored.

In a preferred embodiment, the present invention comprises a flux storage for forming a storage space for the flux; A flux supply unit for supplying the flux from the flux storage unit to the welding unit; A flux collecting part for forcibly collecting the flux remaining in the welded part by the flux storage part; And a flux drying unit for drying the flux stored and recovered in the flux storage unit.

The flux drying unit may further include a heating member for heating the flux stored in the flux storage unit to a predetermined temperature, a power supplier for applying power to the heating member to heat the flux member, And a controller for controlling the driving of the machine.

It is preferable that the heating member is a heating coil embedded in the flux storage portion so as to surround the storage space.

The flux storage unit may be provided with a humidity sensor for measuring the humidity inside the flux storage unit and transmitting the measured humidity to the controller.

Preferably, the controller controls driving of the power controller so that the measured humidity is included in a predetermined reference humidity range.

The flux storage unit may further include a dry supply and supply unit.

The heating air supply unit includes an inlet pipe for introducing the heated air into the flux storage unit, an outlet pipe for discharging the heated air from the flux storage unit to the outside, and a heating air for forming the temperature and humidity set by the inlet pipe And a heating air supply unit for heating the air.

Wherein the flux collecting unit includes a collecting line connecting the flux storing unit and the vicinity of the weld and forming a recovery path of the flux remaining in the weld, and a control unit for forcibly sucking the flux remaining in the weld through the collecting line, And a forced sucking means for returning to the storage portion.

The recovery line may further include a first auxiliary heating coil heated by receiving power from the power source.

The forced suction means includes a compressed air supply pipe and a compressed air supply device for supplying compressed air to the compressed air supply pipe.

The compressed air supply pipe is connected to the recovery line and connected at an oblique slope along the recovery direction of the flux.

The compressed air supply pipe may further include a second auxiliary heating coil heated by receiving power from the power supply unit.

The present invention relates to a flux collecting apparatus, and more particularly, to an apparatus capable of supplying a flux to a welded portion after drying and drying the flux to be recovered.

In addition, the present invention has an effect that the humidity can be made to be inside the storage part where the flux to be supplied or recovered is stored.

1 is a view showing a configuration of a flux recovery apparatus of the present invention.
2 is a view showing an example in which a heated air supply unit is further installed in the flux recovery apparatus of the present invention.
3 is a view showing the forced suction means according to the present invention.
4 is a view showing a recovery line in which a first auxiliary heating coil according to the present invention is installed;

Hereinafter, a flux recovery apparatus of the present invention will be described with reference to the accompanying drawings.

1 is a view showing a configuration of a flux recovery apparatus of the present invention.

Referring to FIG. 1, the flux recovery apparatus of the present invention includes a flux storage unit 100, a flux supply unit 200, a flux recovery unit 300, and a flux drying unit 400.

In the flux storage unit 100, a storage space 101 in which a predetermined amount of the flux 11 is stored is formed.

The flux supply unit 200 is connected to a lower end of the flux storage unit 100 and is formed into a tubular shape so that an end thereof faces a welded portion.

A supply nozzle for spraying flux is provided at an end of the tube.

The flux recovery unit 300 includes a recovery line 310 and a forced suction unit 320.

One end of the recovery line 310 is connected to the flux storage part 100 and the other end is formed in a predetermined length and shape so as to be positioned near the welded part.

The forced suction means 320 can forcefully collect the flux 11 remaining in the welded portion through the collecting line 310 and forcefully collect the flux 11 into the flux storage portion 100.

The forced suction means 320 is composed of a compressed air supply pipe 321 and a compressed air supply 322.

The compressed air supply pipe 321 is connected to the recovery line 310 and connected at an oblique slope along the flow direction of the flux 11 in the recovery line 310.

The compressed air supply 322 supplies compressed air to the compressed air supply pipe 321.

The supplied compressed air is supplied to the recovery line 310 and flows toward the flux storage part 100 side.

Therefore, a pressure difference is generated in the upper and lower portions of the recovery line 310 at the boundary between the portion where the compressed air supply pipe 321 is connected and the flux 11 remaining in the welded portion by the pressure difference, And can be forcibly recovered to the flux storage unit 100.

The flux drying unit 400 according to the present invention dries the flux 11 stored in the flux storage unit 100.

The flux drying unit 400 includes a heating member 410 installed in the flux storage unit 100, a power supply unit 420, a controller 430, and a humidity sensor 450.

The heating member 410 may be a heating coil.

The heating member 410 is embedded in the flux storage unit 100 so as to surround the storage space 101.

The heating member 410 is supplied with power from the power supplier 420 and heated to a predetermined temperature.

The humidity sensor 450 measures the humidity in the storage space 101 of the flux storage unit 100 where the flux 11 is stored and transmits the measured humidity to the controller 430.

The controller 430 controls driving of the power supplier 420 so that the measured humidity is included in the predetermined reference humidity range.

Next, the operation of the flux recovery apparatus of the present invention constructed as described above will be described.

Referring to FIG. 1, a predetermined amount of flux 11 is stored in a storage space 101 of a flux storage unit 100.

The humidity sensor 450 measures the humidity in the storage space 101 and transmits it to the controller 430.

The controller 430 uses the power supplier 420 to generate the heating member 410 so that the measured humidity is included in the reference humidity range.

Accordingly, the storage space 101 is heated to a predetermined temperature, whereby the flux 11 stored in the storage space 101 can be easily dried.

When the humidity reaches the reference humidity, the controller 430 uses the flux supply unit 200 to supply the flux 11 to form a weld in the workpiece 10. [

At this time, the flux 11 is supplied in a dried state.

In addition, the welding wire is in a state of waiting to be connected to the supplied flux (11).

Therefore, a welding portion is formed in the workpiece 10, and the flux 11 remaining after welding remains in the welded portion.

The residual flux 11 is supplied to the flux storage unit 100 through the forced suction means 420 and a suction force is generated in the recovery line 310. The flux 11 remaining through the suction force is forcibly sucked into the flux storage unit 100 Forced collection.

Further, the flux 11 that is forcibly recovered and recovered to the flux storage unit 100 is dried again by the invention of the heating member 410.

Through its construction and operation, the embodiment according to the present invention can be used to dry-process the flux in real time by supplying it after the drying process in the hopper, i.e. the flux storage itself, before supplying the flux in the welding process.

2 is a view showing an example in which a heated air supply unit is further installed in the flux recovery apparatus of the present invention.

Referring to FIG. 2, the flux recovery apparatus of the present invention may further include a heating air supply unit 600.

The heated air supply unit 600 includes an inflow pipe 610 for introducing heated air into the flux storage unit 100, an outflow pipe 620 for discharging heated air from the flux storage unit 100 to the outside, And a heated air supplier 630 that provides heated air to establish the temperature and humidity set in the inlet pipe 610.

The heated air supplied by the heated air supplier 630 is supplied to the storage space 101 of the flux storage part 100 through the inflow pipe 610 and is discharged to the outside through the outflow pipe 620.

Accordingly, the heated air can be circulated inside the flux storage unit 100, and the heated flux can be directly supplied to the heated air by separately supplying the heated air in addition to the heating member 410 to increase the drying efficiency .

The heating air supplier 630 may also be driven under the control of the controller 430 and may supply heated air so that the humidity inside the flux storage unit 100 reaches the reference humidity range.

3 is a view showing the forced suction means according to the present invention.

Referring to FIG. 3, the recovery line 310 includes a plurality of unit recovery lines 311.

The plurality of unit recovery lines 311 are connected to each other by a hinge H so as to rotate with each other and each unit recovery line 311 can be rotated up and down by each rotation motor 330.

A distance sensor 340 for measuring the distance to the welded portion is provided at an end of the unit recovery line 311 at the lowermost stage near the welded portion.

The distance sensor 340 has a light output portion 341 and a light receiving portion 342.

The controller 430 receives the distance value measured by the distance sensor 340 and drives each of the rotation motors 330 so as to set the reference distance value so that the end of the lowermost unit recovery line 311 remains in the welded portion The flux 11 can be maintained at a constant distance without being impregnated.

4 is a view showing a recovery line in which a first auxiliary heating coil according to the present invention is installed;

4, a first auxiliary heating coil 312 is further provided in the recovery line 310 according to the present invention, and the compressed air supply pipe 321 is also heated by the power supplied from the power source providing unit 420, A second auxiliary heating coil (not shown) may be further provided.

The first auxiliary heating coil 312 and the second auxiliary heating coil generate power by receiving power from the power supply unit 420 described above.

Therefore, even when the flux 11 is recovered, the recovery line 310 itself is heated, so that it can be additionally dried in the process of forced recovery to the flux storage part 100.

In addition, the drying efficiency of the flux 11 can be further increased by heating the compressed air and supplying it directly to the recovery line 310.

In addition, although not shown in the drawing, a separate heating coil that is heated in the flux supply unit may be provided so as to be sprayed in real time during the process of spraying to form the welded portion.

Although the specific embodiments of the flux recovery apparatus of the present invention have been described above, it is apparent that various modifications can be made without departing from the scope of the present invention.

Therefore, the scope of the present invention should not be limited to the above-described embodiments, but should be determined by the scope of the appended claims and equivalents thereof.

It is to be understood that the foregoing embodiments are illustrative and not restrictive in all respects and that the scope of the present invention is indicated by the appended claims rather than the foregoing description, It is intended that all changes and modifications derived from the equivalent concept be included within the scope of the present invention.

100: flux storage unit
200: flux supplier
300: flux recovery unit
310: return line
320: forced suction means
400: flux drying unit
410: heating member
420: Power supply unit
430:
450: Humidity sensor
600: Heating air supply

Claims (6)

A flux storage unit forming a storage space of the flux;
A flux supply unit for supplying the flux from the flux storage unit to the welding unit;
A flux collecting part for forcibly collecting the flux remaining in the welded part by the flux storage part; And
And a flux drying unit for drying the flux stored and recovered in the flux storage unit,
The flux drying unit includes:
A heating member for heating the flux stored in the flux storage unit to a predetermined temperature,
A power supplier for applying power to the heating member to be heated,
And a controller for controlling driving of the power supplier to heat the heating member to a predetermined heating temperature,
The heating member
And a heating coil embedded in the flux storage portion so as to surround the storage space,
Wherein the flux storage unit is provided with a humidity sensor for measuring humidity inside the flux storage unit and transmitting the measured humidity to the controller,
Wherein the controller controls driving of the power controller so that the measured humidity is included in a predetermined reference humidity range,
The flux storage unit may further include a dry supply and supply unit,
The heated-
An inflow pipe for introducing the heated air into the flux storage unit,
An outflow pipe for discharging the heated air from the flux storage unit to the outside,
And a heated air supplier for providing heated air forming the temperature and humidity set in said inlet tube.
delete delete delete A flux storage unit forming a storage space of the flux;
A flux supply unit for supplying the flux from the flux storage unit to the welding unit;
A flux collecting part for forcibly collecting the flux remaining in the welded part by the flux storage part; And
And a flux drying unit for drying the flux stored and recovered in the flux storage unit,
The flux drying unit includes:
A heating member for heating the flux stored in the flux storage unit to a predetermined temperature,
A power supplier for applying power to the heating member to be heated,
And a controller for controlling driving of the power supplier to heat the heating member to a predetermined heating temperature,
The heating member
And a heating coil embedded in the flux storage portion so as to surround the storage space,
Wherein the flux storage unit is provided with a humidity sensor for measuring humidity inside the flux storage unit and transmitting the measured humidity to the controller,
Wherein the controller controls driving of the power controller so that the measured humidity is included in a predetermined reference humidity range,
The flux-
A recovery line that connects the flux storage portion and the vicinity of the weld portion to form a flux recovery path remaining in the weld portion,
And a forced suction means for forcibly sucking the flux remaining in the welded portion through the recovery line and recovering the flux to the flux storage portion,
In the recovery line,
Further comprising a first auxiliary heating coil heated by receiving power from the power supplier.
6. The method of claim 5,
The forced-
A compressed air supply pipe,
And a compressed air supply unit for supplying compressed air to the compressed air supply pipe,
The compressed air supply pipe
Connected to the recovery line and connected at an oblique slope along the recovery direction of the flux,
The compressed air supply pipe
Further comprising a second auxiliary heating coil heated by receiving power from the power supplier.
KR1020140111811A 2014-08-26 2014-08-26 Apparatus for recovering flux KR101572383B1 (en)

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Application Number Priority Date Filing Date Title
KR1020140111811A KR101572383B1 (en) 2014-08-26 2014-08-26 Apparatus for recovering flux

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20220043580A (en) * 2020-09-29 2022-04-05 대우조선해양 주식회사 Apparatus for handling hume dust collecting hose of welding robot

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR200239573Y1 (en) * 2001-04-19 2001-10-11 현대중공업 주식회사 Electric dehumidify welding material pile pallet apparatus for flux-cored wire
KR200461888Y1 (en) * 2012-04-26 2012-08-13 (주)재용엔지니어링 Filling apparatus of welding new flux

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR200239573Y1 (en) * 2001-04-19 2001-10-11 현대중공업 주식회사 Electric dehumidify welding material pile pallet apparatus for flux-cored wire
KR200461888Y1 (en) * 2012-04-26 2012-08-13 (주)재용엔지니어링 Filling apparatus of welding new flux

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20220043580A (en) * 2020-09-29 2022-04-05 대우조선해양 주식회사 Apparatus for handling hume dust collecting hose of welding robot
KR102420935B1 (en) * 2020-09-29 2022-07-15 대우조선해양 주식회사 Apparatus for handling hume dust collecting hose of welding robot

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