WO2019045234A1 - 복합 자동 용접 장치 - Google Patents
복합 자동 용접 장치 Download PDFInfo
- Publication number
- WO2019045234A1 WO2019045234A1 PCT/KR2018/006572 KR2018006572W WO2019045234A1 WO 2019045234 A1 WO2019045234 A1 WO 2019045234A1 KR 2018006572 W KR2018006572 W KR 2018006572W WO 2019045234 A1 WO2019045234 A1 WO 2019045234A1
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- WO
- WIPO (PCT)
- Prior art keywords
- welding
- tube portion
- bogie
- rotating
- arc welding
- Prior art date
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Classifications
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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
- B23K9/0026—Arc welding or cutting specially adapted for particular articles or work
-
- 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
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
- B23K37/04—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
- B23K37/047—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work moving work to adjust its position between soldering, welding or cutting steps
-
- 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
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
- B23K37/04—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
- B23K37/053—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work aligning cylindrical work; Clamping devices therefor
-
- 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
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
- B23K37/04—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
- B23K37/053—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work aligning cylindrical work; Clamping devices therefor
- B23K37/0538—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work aligning cylindrical work; Clamping devices therefor for rotating tubes, e.g. rollers
-
- 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
-
- 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
- B23K9/02—Seam welding; Backing means; Inserts
- B23K9/025—Seam welding; Backing means; Inserts for rectilinear seams
-
- 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
- B23K9/02—Seam welding; Backing means; Inserts
- B23K9/025—Seam welding; Backing means; Inserts for rectilinear seams
- B23K9/0253—Seam welding; Backing means; Inserts for rectilinear seams for the longitudinal seam of tubes
-
- 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
- B23K9/02—Seam welding; Backing means; Inserts
- B23K9/028—Seam welding; Backing means; Inserts for curved planar seams
-
- 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
- B23K9/02—Seam welding; Backing means; Inserts
- B23K9/028—Seam welding; Backing means; Inserts for curved planar seams
- B23K9/0282—Seam welding; Backing means; Inserts for curved planar seams for welding tube sections
-
- 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
- B23K9/18—Submerged-arc welding
-
- 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
- B23K2101/00—Articles made by soldering, welding or cutting
- B23K2101/04—Tubular or hollow articles
- B23K2101/06—Tubes
Definitions
- the present invention can be applied to at least one welding method selected from among different welding methods such as plasma arc welding (PAW), gas tungsten arc welding (GTAW), and submerged arc welding (SAW) So that a series of welding processes for the longitudinal direction or the circumferential direction are automatically performed.
- PAW plasma arc welding
- GTAW gas tungsten arc welding
- SAW submerged arc welding
- plasma welding has advantages such as high heat source and local heat effect, unlike other general welding, welding speed is fast, and heat affected part is narrow, so that deformation and property change of the structure is small.
- Such plasma welding is also commonly used in pipe manufacturing processes, and is particularly applied to longitudinal welding of curved members.
- the optimal welding method is applied to each kind of welded pipe and the manufacturing method thereof.
- at least two welding methods should be performed in parallel. It is necessary not only to have a dedicated facility for welding but also to move the welding target pipe to each dedicated facility, and thus, a lot of time is consumed for the welding work and the manufacturing cost is increased accordingly.
- PAW plasma arc welding
- GTAW gas tungsten arc welding
- submerged arc welding It is an object of the present invention to provide a composite automatic welding apparatus capable of automatically carrying out a series of welding processes in the longitudinal direction or the circumferential direction of the object tube portion.
- a composite automatic welding apparatus comprising a welding portion to which a welded tube portion is seated and to which the tube portion that is seated is transported in forward and backward directions or rotated in the circumferential direction of the tube portion, ;
- a tower spaced apart from one side of the bogie and fixed upright;
- a worktable installed in the tower so as to face a tube portion seated on the bogie portion;
- a welding portion for welding the welding portion of the tube portion through the welding portion;
- a control unit for controlling driving of the bogie unit and the workbench and welding method and setting of the welding unit.
- the workbench may be configured to be able to be elevated from the tower.
- the welding portion may include a longitudinal frame fixedly installed on the upper surface of the work table in an upright manner; A transverse frame installed so as to move leftward and rightward while ascending and descending from the longitudinal frame; A rotary motor provided at one end of the transverse frame facing the bogie portion and having a rotating shaft rotating in the same direction as the circumferential direction of the tube portion or in a direction orthogonal to the circumferential direction of the tube portion; A plurality of rotation brackets spaced apart from each other around the rotation axis of the rotation motor so as to have the same angle and rotated in association with the rotation axis; A plurality of welding heads mounted to the plurality of rotating brackets for plasma arc welding (PAW), gas tungsten arc welding (GTAW), and submerged arc welding (SAW), respectively, . ≪ / RTI >
- PAW plasma arc welding
- GTAW gas tungsten arc welding
- SAW submerged arc welding
- the rotary motor may be configured to move forward and backward along the longitudinal direction of the tube portion from one end of the transverse frame toward the bogie portion.
- the bogie comprises at least one seat on which a plurality of running rollers are provided and on which the welding target tube is seated; A running rail disposed at a lower portion of the seat so as to be in contact with the running roller and horizontally to the longitudinal direction of the tube portion; And a first drive motor for applying a rotational force to the traveling roller so that the seat is transported in the forward and backward directions on the traveling rail.
- the bogie includes a pair of rotating rollers for rotating the tube portion in the same direction as the circumferential direction of the tube portion while forming a constant distance between the upper surface of the seat and the tube portion. And a second driving motor for applying a rotational force to the rotating roller.
- the pair of rotating rollers can be adjusted in spacing distance.
- one or more welding methods selected from among different welding methods such as plasma arc welding (PAW), gas tungsten arc welding (GTAW), and submerged arc welding
- PAW plasma arc welding
- GTAW gas tungsten arc welding
- submerged arc welding It is possible to automatically perform a series of welding processes in the longitudinal direction or the circumferential direction of the welding target tube portion, thereby improving the versatility and efficiency in welding to the tube portion and drastically shortening the time spent in the welding operation There is an advantage.
- FIG. 1 is a plan view of a combined automatic welding apparatus according to an embodiment of the present invention.
- FIG. 2 is a front view of a combined automatic welding apparatus according to an embodiment of the present invention.
- FIG. 3A is a side view showing a hybrid automatic welding apparatus according to an embodiment of the present invention.
- FIG. 3B is a side view showing a lifting state of a work table according to an embodiment of the present invention.
- FIG. 4 is a side view of a weld according to an embodiment of the present invention.
- FIG. 5 is a side view showing a rotating bracket and a welding head according to an embodiment of the present invention.
- FIGS. 6A and 6B are perspective views showing an operating state of a welding head according to an embodiment of the present invention.
- FIG. 1 is a plan view showing a composite automatic welding apparatus according to an embodiment of the present invention
- FIG. 2 is a front view showing a composite automatic welding apparatus according to an embodiment of the present invention
- FIG. FIG. 2 is a side view showing a composite automatic welding apparatus according to the present invention
- 4 is a side view of a weld according to an embodiment of the present invention
- FIG. 5 is a side view illustrating a rotation of a work table according to an embodiment of the present invention.
- FIG. Fig. 6 is a side view showing the bracket and the welding head portion.
- Fig. 6A and 6B are perspective views showing an operating state of a welding head according to an embodiment of the present invention.
- the automatic multiple welding apparatus is capable of automatically performing a series of welding processes with respect to the welding target tube portion and performing one or more different welding methods in consideration of the characteristics of the diameter of the tube portion 1, So that a composite welding can be performed.
- the 'tubular portion (1)' means a tubular member in which a plurality of short tubes are connected side by side and joined together, or a tubular member having a cut portion formed at both ends by forming a flat plate into a curved surface ,
- the automatic multiple welding apparatus of the present invention performs welding to the welded portion or incision portion (hereinafter referred to as 'welded portion') of the tube portion 1.
- the hybrid automatic welding apparatus may include a bogie portion 10, a tower 20, a work table 30, a weld portion 40, and a control portion 50.
- the bogie portion 10 is configured to move the tubular portion 1 in which the welding target tube portion 1 is seated and seated, in the forward and backward directions or in the circumferential direction.
- the bogie portion 10 rotates in the forward and backward directions or in the circumferential direction so that the welding portion of the tube portion 1 faces the fixed welding torch, Or circumferential welding can be performed.
- the bogie 10 includes at least one seat 100 on which the welding subject tube 1 is seated on the upper surface and a plurality of traveling rollers 101 are mounted on the lower surface of the seat 100, A traveling rail 110 installed horizontally to the longitudinal direction of the pipe section 1 which is seated in contact with the traveling roller 101 at a lower portion of the traveling rail 101, And a first driving motor 120 for applying a rotational force to the traveling roller 101 so as to be transported in a direction of the traveling roller 101.
- the carriage unit 10 having such a structure moves the seat belt 100 forward and backward in the longitudinal direction of the tube section 1 by rotating the travel roller 101 in a state in which the tube section 1 is seated So that welding in the longitudinal direction of the tube portion 1 can be performed by one or more welding methods selected in the welding portion 40 described below.
- the seat 100 may have a structure in which at least two mutually spaced apart from one another in consideration of the length of the tube 1,
- Each of the seat belts 100 spaced apart from each other can be operated by interlocking with one of the first driving motors 120 mentioned above, (120) may be mounted and operated individually.
- the bogie 10 includes a pair of rotating rollers 130 installed to support the tube 1 between the upper surface of the seat 100 and the tube 1,
- the pair of rotating rollers 130 can rotate the tube portion 1 supported in one direction by rotating in the same direction as the circumferential direction of the tube portion 1.
- the bogie 10 may further include a second driving motor 140 mounted on the seat 100 for applying a rotational force to the pair of rotating rollers 130.
- the bogie portion 10 operates the second driving motor 140 in a state in which the tube portion 1 is seated on the pair of rotating rollers 130 to rotate the tube portion 1 in the circumferential direction So that the welding in the circumferential direction of the tube portion 1 can be performed by one welding method selected in the welding portion 40 described below.
- the pair of rotating rollers 130 may be configured such that mutually spaced distances are adjusted so as to flexibly correspond to the diameter of the tube portion 1 to be welded.
- the pair of rotating rollers 130 are rotatably mounted on a pair of fixed blocks on the upper surface of the seat 100, and the pair of fixed blocks The fixed block is moved by the motor which engages with the ball screw to adjust the distance therebetween.
- the tube portion 1 can be stably supported and rotated .
- the automatic multiple welding apparatus can be applied to both the 'c-seam' welding in which the circumferential direction of the tube portion 1 is welded through the forward and backward movement of the bogie portion 10 and the rotational driving of the mounted tube portion 1 , And a '1-seam' welding in which the longitudinal direction of the tube portion 1 is welded.
- the tower 20 is spaced apart from one side of the bogie 10 and is fixedly installed upright from the ground.
- the work table 30 is installed in the tower 20 so as to face the tube section 1 seated on the truck 10 and is located above the relatively mounted tube section 1, And can be configured to look down.
- the worktable 30 is provided with a control unit 50 and a welding unit 40 for performing plasma arc welding (PAW), gas tungsten arc welding (GTAW), and submerged arc welding (SAW)
- a gas mixer, a console, a chiller, a cooler, and the like can be accommodated therein.
- a manager is allowed to ride and observe the movement and rotation of the tube portion 1 and the welding condition .
- the work table 30 can be elevated from the tower 20, and the height of the work table 30 can be selectively determined according to the diameter of the tube 1 as shown in FIG. 3B.
- the lifting structure of the work table 30 can be realized by introducing one suitable lifting structure among various known technologies such as a hydraulic cylinder, a gear and a chain structure, and a detailed description thereof will be omitted.
- the welding portion 40 is provided on the work table 30 and is disposed adjacent to a welding portion of the tube portion 1 which is moved or rotated by the bogie portion 10 and is used for plasma arc welding (PAW), gas tungsten arc welding (GTAW) And welded portions of the tube portion 1 can be welded using one or more welding methods selected from submerged arc welding (SAW).
- PAW plasma arc welding
- GTAW gas tungsten arc welding
- SAW submerged arc welding
- the welding part 40 can be combined with general welding methods such as gas tungsten arc welding (GTAW) or submerged arc welding (SAW) in addition to plasma arc welding (PAW) So that welding can be performed.
- general welding methods such as gas tungsten arc welding (GTAW) or submerged arc welding (SAW) in addition to plasma arc welding (PAW) So that welding can be performed.
- GTAW gas tungsten arc welding
- SAW submerged arc welding
- PAW plasma arc welding
- the welding portion 40 may be configured so that the welding torch of the welding machine is accurately positioned on the welding portion of the tube portion 1 seated on the worktable 30 on the worktable 30 Structure.
- the welding unit 40 includes a longitudinal frame 400 fixed upright on an upper surface of the worktable 30, and a vertical frame 400 extending upward and downward from the longitudinal frame 400, A transverse frame 410 installed at one end of the transverse frame 410 facing the bogie 10 and extending in the same direction as the circumferential direction of the tube 1 or in the circumferential direction of the tube 1 A plurality of rotation brackets 430 spaced apart from each other around the rotation axis 421 of the rotation motor 420 so as to have the same angle, And a plurality of rotating brackets 430 which are respectively mounted for plasma arc welding (PAW), gas tungsten arc welding (GTAW) and submerged arc welding (SAW) A plurality of welding heads 440, It can be.
- PAW plasma arc welding
- GTAW gas tungsten arc welding
- SAW submerged arc welding
- Various types of pneumatic actuators and linear guides may be used for the left and right movement structures of the transverse frame 410.
- the motor 402 rotates, So that the transverse frame 410 can be raised or lowered from the longitudinal frame 400.
- the vertical movement of the transverse frame 410 is for raising and lowering the welding head 440 which faces the welding target tube portion 1 and as a result the welding head portion 440 is moved upward and downward This is to adjust the distance from the welded part.
- the motor 402 can be finely adjusted in rotational speed by applying a servomotor, so that the optimum arc length can be maintained by adjusting the vertical movement of the transverse frame 410, .
- the rotation motor 420 is installed at one end of the transverse frame 410.
- the rotation direction of the rotation shaft 421 can be determined depending on the installation direction of the rotation motor 420 or the installation of a speed reducer, It may have any installation structure provided that it is provided only in the same direction as the circumferential direction of the tube 1 or in the direction perpendicular to the circumferential direction of the tube portion 1.
- the rotary motor 420 may be configured to be movable forward and backward along the longitudinal direction of the tube 1 from one end of the transverse frame 410 facing the carriage 10, The position of the welding head 440 can be precisely positioned on the welding portion of the tube portion 1 by adjusting the distance from the welding portion of the tube portion 1 described above.
- the number of rotatable brackets 430 may be determined so as to correspond to each of different welding methods used in the automatic automatic welding apparatus of the present invention.
- a welding head for plasma arc welding (PAW) (hereinafter referred to as a 'first welding head 450') and a welding head for gas tungsten arc welding (GTAW) (Hereinafter referred to as " second welding head portion 460 ") is installed.
- PAW plasma arc welding
- GTAW gas tungsten arc welding
- the first and second welding head parts 450 and 460 are basically provided with welding torches 451 and 461 for generating an arc facing each other on the welding part of the tube part 1, And may include an air supply 452 and 462 and an oscillator 463 for imparting vibration to the supplied wire in the case of the second welding head 460, 430, respectively.
- first and second welding head portions 450 and 460 have an angular interval of 90 degrees with each other within the same turning radius and weld torches 451 and 461 of the first and second welding head portions 450 and 460, Are also maintained at an interval of 90 degrees so that they are commonly positioned at the same position when the rotary shaft 421 rotates 90 degrees.
- each of the welding head portions 440 has the same angular interval, if one of the welding head portions 440 faces the welding portion of the tube portion 1, the other welding head portion 440 also faces the rotation axis 421 are rotated at the same angle, it is possible to face the same point on the tube portion 1, so that it is possible to change the welding method only by simple rotation driving.
- each welding head 440 may additionally include one or more measuring instruments and a camera for taking a welding image, and these members may also be fixed to the respective rotating brackets 430 Lt; / RTI >
- the control unit 50 can control the driving of the bogie unit 10 and the workbench 30 and the welding method and setting of the weld unit 40.
- the bogie unit 10 and the workbench 30 As well as information on the welding method of the welding part 40 and a series of welding processes.
- the controller 50 can input and store the welding method of the welding head 440 coupled to the rotary bracket 430.
- the control unit 50 may include a detection sensor for identifying the rotating bracket 430 facing the welded portion of the tube portion to be welded on the basis of the detection information of the detection sensor.
- the welding head 440 facing the welding head 440 and the welding method thereof can be grasped and displayed.
- the controller 50 determines which welding bracket 430 of the plurality of rotation brackets 430 is coupled with the welding head 440 of the selected welding type And generates and outputs a control signal for controlling the driving of the rotation motor 420 by analyzing the rotation direction and the rotation speed of the rotation shaft 421 and transmits the control signal to the rotation motor 420.
- the rotation direction and the rotation speed of the rotation shaft 421 may be preset based on the number of the rotation brackets 430 and the angular interval set between the rotation brackets 430.
- control unit 50 may include an operation panel and a display for the sake of convenience of the administrator, and the operation panel and the display may be mounted on the workbench 30 so that the administrator can perform a series of welding processes And set values can be observed at a close distance.
- the operation panel is provided with an input section for setting the current, voltage and speed data of each welder and for selecting the welding method during welding or before welding. And a joystick for controlling the fine adjustment of the welding head 440 according to the selected welding method.
- the display may display not only data input and set by the operation panel but also welding images such as keyholes, molten pools, etc., photographed from a camera additionally attached to the welding head 440, and information measured from the measuring instrument .
- 6A and 6B show examples of welding in the longitudinal direction of the welded tube portion 1 and when a multi-layered post-welded laminate is required according to the cross-sectional thickness of the tube portion 1, Thereby performing welding.
- the welded tube portion 1 is first placed on the carriage portion 10 and the rotating roller 130 of the carriage portion 10 is rotated to position the welded portion of the tube portion 1 exposed,
- the welding torch of the welding type is positioned so as to face the welding portion of the tube portion (1).
- the welding torch 451 of the welding method is applied to the welding portion of the tube portion 1 by applying one welding method selected from the manager, as well as the seating of the tube portion 1 and the exposure of the welding portion, It is the process of setting so that it can be located accurately.
- the first welding head 450 is mounted on the transverse frame 410 of the welded portion 40 so as to face the welded portion of the tube portion 40 ), The rotation motor 420, the rotation bracket 430, and the like.
- PAW plasma arc welding
- the barrel portion 10 is moved forward or backward So that the super-layer welding is proceeded.
- PAW plasma arc welding
- the bogie portion 10 moves the tube portion 1 back to its original position (initial position) The change process is performed.
- PAW plasma arc welding
- a second welding head portion 460 (see FIG. 6B) of a gas tungsten arc welding (GTAW) method for lamination welding from a first welding head portion 450 of a plasma arc welding ) To change the welding method.
- GTAW gas tungsten arc welding
- the first welding head 450 is defined as a plasma arc welding (PAW) method
- the second welding head 460 is defined as a gas tungsten arc welding (GTAW)
- Various welding methods other than the above-mentioned plasma arc welding (PAW) or gas tungsten arc welding (GTAW) may be applied to the welding head part 440, and the diameter of the tube part 1, It is natural that welding can be performed by selectively applying one or more different welding methods in consideration of the characteristics.
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Abstract
Description
Claims (7)
- 용접 대상 관부가 안착되며 안착된 상기 관부를 전, 후 방향으로 이송하거나 관부의 원주방향으로 회전시키도록 구성되는 대차부;상기 대차부의 일측에 이격되며 직립형으로 고정 설치되는 타워;상기 타워에서 상기 대차부에 안착된 관부를 향하도록 설치되는 작업대;상기 작업대에 설치되고 상기 대차부에 의해 이송되거나 회전하는 관부의 용접부위에 인접하여 플라즈마 아크 용접(PAW), 가스 텅스텐 아크 용접(GTAW), 서브머지드 아크 용접(SAW) 중 선택된 하나 이상의 용접 방식을 통해 상기 관부의 용접부위를 용접하는 용접부; 및상기 대차부와 작업대의 구동과 상기 용접부의 용접 방식 및 설정을 제어하는 제어부;를 포함하는 것을 특징으로 하는 복합 자동 용접 장치.
- 제 1항에 있어서,상기 작업대는,상기 타워로부터 승강 가능하도록 구성되는 것을 특징으로 하는 복합 자동 용접 장치.
- 제 1항에 있어서,상기 용접부는,상기 작업대의 상부면에 직립형으로 고정 설치되는 종프레임;상기 종프레임으로부터 승강하면서 좌, 우 방향으로 이동하도록 설치되는 횡프레임;상기 대차부를 향하는 횡프레임의 일단에 설치되며 상기 관부의 원주방향과 동일한 방향 또는 관부의 원주방향과 직교하는 방향으로 회전하는 회전축을 구비한 회전모터;상기 회전모터의 회전축을 중심으로 상호 동일한 각도를 갖도록 이격 설치되며 상기 회전축과 연동하여 회전하는 복수의 회전브라켓;상기 복수의 회전브라켓에 플라즈마 아크 용접(PAW), 가스 텅스텐 아크 용접(GTAW) 및 서브머지드 아크 용접(SAW)을 위해 각각 장착되며, 상기 관부에 인접하여 대면하도록 구성되는 복수의 용접헤드부;를 포함하는 것을 특징으로 하는 복합 자동 용접 장치.
- 제 3항에 있어서,상기 회전모터는,상기 대차부를 향하는 횡프레임의 일단으로부터 관부의 길이방향을 따라 전, 후 방향 이동하도록 구성되는 것을 특징으로 하는 복합 자동 용접 장치.
- 제 1항에 있어서,상기 대차부는,복수의 주행롤러가 구비되며 상기 용접 대상 관부가 안착되는 하나 이상의 안착대;상기 안착대의 하부에서 상기 주행롤러와 접하면서 상기 관부의 길이방향과 수평하게 설치되는 주행레일; 및상기 주행레일 상에서 상기 안착대가 전, 후 방향으로 이송되도록 상기 주행롤러에 회전력을 부여하는 제 1구동모터;를 포함하는 것을 특징으로 하는 복합 자동 용접 장치.
- 제 5항에 있어서,상기 대차부는,상기 안착대의 상부면과 관부 사이에서 상호 일정한 이격 거리를 형성하면서 상기 관부의 원주방향과 동일한 방향으로 상기 관부를 회전시키도록 하는 한 쌍의 회전롤러; 및상기 회전롤러에 회전력을 부여하는 제 2구동모터;를 더 포함하는 것을 특징으로 하는 복합 자동 용접 장치.
- 제 6항에 있어서,상기 한 쌍의 회전롤러는 상호 이격 거리가 조정되는 것을 특징으로 하는 복합 자동 용접 장치.
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CN112404650B (zh) * | 2019-08-22 | 2022-09-16 | 中车唐山机车车辆有限公司 | 自动焊接系统及自动焊接方法 |
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