KR100327720B1 - Automatic cross welding device - Google Patents

Abstract

PURPOSE: An automatic cross welding apparatus is provided to weld curved surface and corner parts uniformly, efficiently and accurately by solving conventional inconvenient, inefficient and nonuniformed welding defects in welding rectangular (wall) structures of vessel frame. CONSTITUTION: The automatic cross welding apparatus comprises a control panel which is controlled by itself or an external controller(15) that is connected onto a transfer car(1) of the welding apparatus by a control wire(16); a transfer car direction adjusting guide arm which is horizontally attached to or separated from the transfer car(1); a welding torch(7) which is slantly mounted on a bracket(18) on the transfer car(1) so that the welding torch(7) is ascended or descended by a screw; an ascending and descending piston which is mounted on the lower part of the transfer car(1) to ascend or descend the transfer car(1); a thrust bearing(9) which is mounted on the lowest end of the transfer car(1) to horizontally rotate the transfer car(1) and the whole welding apparatus side to side; rotation wheels(12,12') which are mounted on the four sides of the lower end of the transfer car(1) to move the transfer car(1); guide rails for guiding the transfer car(1) by being mounted on the welding torch(7) side, thereby contacted on vertical plates(13); a photo sensor(2) which is mounted in the front of the transfer car(1) to proximity sense the vertical plates(13); a limit switch for transmitting sensing signals when the transfer car(1) approaches the wall surface during traveling; a wire feeder(14) for feeding a welding wire connected to a welding power source(17) onto the welding torch(7); and transfer car rails which are installed at four sides under the wall surface.

Description

Automatic Cross Welder {AUTOMATIC CROSS WELDING DEVICE}

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an automatic cross welding device for precise welding of intersections and corners at which a flat plate and a plate of a four wall structure of a ship frame contact each other. The present invention relates to an automatic cross welding device for precision welding of corner welding without trace.

Conventionally, in order to erect a vertical steel plate (plate) on a flat plate (flat plate) of a four-wall structure of a ship frame, and to weld the intersections and corners thereof, a welding torch must be manually moved by hand and thus the welding work is performed. There was a defect that the welding spot was exposed to a lot of welding spots because it was not uniform.

The present application solves the inconvenience of inconvenient, inefficient and non-uniform welding of the quadrilateral (wall) structure of the conventional ship frame as described above, cross (cross) welding for uniform, efficient and accurate welding of curved surfaces and corners. When providing a device as described in detail with reference to the accompanying drawings as follows.

1 is a plan view of a welding apparatus according to the present invention.

2 is a front view of the welding apparatus according to the present invention.

3 is a left side view of the welding apparatus according to the present invention;

Figure 4 is an overall configuration view from the right side of the welding apparatus according to the present invention.

5 is a state diagram used in the welding apparatus according to the present invention.

* Explanation of symbols for main parts of the drawings

One ; Welding equipment bogie 2,2 '; Light sensor

3,3 '; Guide roller 4; Control panel

5; Limit switch 6; Balance rail

7; Welding torch 8; Lifting piston

9; Thrust bearing 10; Guide arm

11; Motor 12,12 '; Spinning wheel

13; Standing plate 14; Wire feeder

15; Controller 16; Control line

17; Welding power source 18; Brackets

19; screw

Control panel 4 controlled or externally controlled by an external control device 15 connected to a control line 16 on the trolley 1 of the welding apparatus, for adjusting the bogie direction inserted into the trolley 1 in the lateral direction. A guide torch 10, a welding torch 7 which is mounted obliquely to the bracket 18 on the bogie and lifted by a screw 19, and an elevating piston 8 mounted on the bogie bottom to elevate the bogie 1, A thrust bearing 9 mounted at the bottom of the trolley for horizontally rotating the trolley 1 and the welding apparatus horizontally from side to side; a rotary wheel 12, 12 'mounted at four sides of the bottom of the trolley for moving the trolley; A guide rail (3) (3 ') mounted on the welding torch (7) side to guide the trolley in contact with the standing plate (13), and an optical sensor mounted on the front of the truck to closely detect the standing plate (13). (2), the limit switch (5) which raises a detection signal when the trolley | bogie (1) is close to the wall surface while driving, It consists of a welding torch 7, wire feeding device 14 and the four-way balance rail 6 installed below the wall for supplying a welding wire for welding associated with the power source (17) on.

The cross automatic welding device of the present invention configured as described above may be welded on an external control device 15 connected with a control line 16 when welding four walls of a ship frame surrounded by four sides on a plate or a welding device bogie 1. The lifting panel 8 of the welding apparatus of the present invention located at the center of the wall of the ship frame 4 is operated by the control panel 4 installed on the vessel to raise the bogie 1 and then weld by the left and right rotation of the guide arm 10. The whole device is rotated by the thrust bearing 9 at the bottom of the welding device. For example, the entire welding device, that is, the bogie 1, is rotated while the lower end of the welding torch 7 of the welding device is positioned in the A-wall direction. After confirming that the guide rollers (3) and (3 ') contact the wall by the optical sensors (2) and (2'), the lifting piston (8) is lowered by the operation of the control panel (4) and then the welding torch (7). Guide arm (10) at the welding position The welding is started while the welding is continued, and the welding is continued while the trolley 1 is moved along the trolley rail 6 by the motor 11 operated by the control panel 4, and the trolley 1 is connected to, for example, the B wall surface. When it is detected by the side limit switch 5, the guide arm 10 is pushed in and the lifting panel 8, which is mounted on the lower part of the trolley by the control panel 4, raises the trolley 1 and the trolley. And by rotating the bogie 1 by the thrust bearing 9 mounted at the bottom center thereof by the operation of the control panel 4 instead of the guide arm 10 while the welding torch 7 does not touch the wall. The welding torch 7 is positioned in the traveling direction in the direction of the wall surface B, and then the lowering of the trolley by the opposite operation of the lifting piston 8 to adjust the lower end of the welding torch 7 by the screw 19 to the corner to be welded. Or close to the intersection, but more precisely the guide Withdraw the arm 10 and move the bogie with the guide arm to adjust the exact position of the welding torch 7 and then start welding with the welding wire connected to the welding power source 17 supplied from the wire feeder 14 The welding is continued while adjusting the welding position with the guide arm 10 while continuously moving along the bogie rail 6, and then, for example, when the bogie 1 reaches the corner where the B wall surface and the C wall surface meet, the bogie side as described above. The side limit switch (5) mounted on the sensing wall surface C to stop the running (movement) of the trolley and at this time, the lifting and redirection of the trolley (1) and the lifting of the welding torch (7) By adjusting the lifting piston 8, the guide arm 10 and the screw 19, for example, the welding is carried out continuously by the welding torch 7, guiding the guide rollers 3 and 3 'along the wall C. The remaining D walls can be welded in the same way. Then, when the welding is completed, the welding is completed by placing the welding torch 7 together with the bogie 1 at the center of the four-faced wall. The automatic cross-welding apparatus of the present invention as described above has corners and curved portions of the four-walled surface of the ship frame. It is effective to weld back precisely and precisely and even to covertly finely and automatically weld construction.

Claims (1)

Control panel 4 controlled or externally controlled by an external control device 15 connected to a control line 16 on the trolley 1 of the welding apparatus, for adjusting the bogie direction inserted into the trolley 1 in the lateral direction. A welding torch 7 which is mounted obliquely on the guide arm 10, the bracket 18 on the bogie and lifted by a screw 19, and an elevating piston which is mounted on the bogie 1 underneath and lifts the bogie 1 ( 8) a thrust bearing (9) mounted at the lower end of the bogie to horizontally rotate the bogie (1) and the welding apparatus horizontally from side to side, and rotating wheels (12) (12 ') mounted on all four sides of the bogie to move the bogie. ), A guide rail (3) (3 ') mounted on the welding torch (7) side to guide the trolley to guide the trolley (13), and mounted on the front of the trolley (13) to detect the proximity of the trowel (13). Limit switch 5 for generating a detection signal when the light sensor 2, the vehicle 1 close to the wall while driving, Auto cross-welding device, characterized by consisting of a group welding torch 7, wire feeding device 14 and the four-way balance rail 6 installed below the wall for supplying a welding wire for welding associated with the power source (17) on.