JPH05200550A - Steel-frame joint welding equipment - Google Patents

Abstract

(57) [Summary] [Purpose] The occupied area can be reduced and the creation of operation data for the welding robot can be simplified. [Structure] A guide rail 5 is laid along the length direction of the pillar A on one side of the welding area 1 where the pillar A can be positioned via the rotary positioners 2 and 3, and the guide rail 5 is moved onto the guide rail 5. Welding trolleys 5 and 7 are provided, and these welding trolleys 5 and 7 are
Arranged are first and second movable bases 11 and 12 that are movable in the welding carriage movement direction via the work rail 9 and can approach and separate from each other.
The first and second movable bases 11 and 12 are each provided with a horizontal beam 13 that can move forward and backward on the welding area 1 side, and a lifting column 16 that can be raised and lowered is provided at the tip of the horizontal beam 13. Further, a welding robot 17 capable of operating the welding head 19 provided on the work arm 18 in an arbitrary direction is provided. [Effect] By bringing the movable table close to each other, two welding robots mounted on one welding carriage can simultaneously weld the same joint material.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a steel frame joint for welding an H-shaped beam or a joint material for attaching a box-shaped beam to a column member for a steel frame structure, for example, a box column, a cross column or an H-shaped column. Regarding welding equipment.

[0002]

2. Description of the Related Art A conventional welding joint welding apparatus is shown in FIGS. This is to fix the pillar material A to the fixed side rotary positioner 3
1 and a pair of left and right guide rails 34 and 35 are laid along both sides of the welding area 33 that is rotatably supported by the first and the moving side rotary positioners 32, respectively. 2 on each
The welding carriages 36A, 36B and 37A, 37B of the table are movably arranged. And each welding carriage 36A, 3
6B, 37A, and 3B, which can stand up and down freely
A horizontal beam 39 is installed on the 8 to freely move
The welding head 41 is provided at the tip of each of them via the cylindrical coordinate type five-axis robot 40.

[0003]

[Problems to be Solved by the Invention] Each welding cart 36A, 3
6B, 37A, and 37B are accessible within the range of the attachment interval of the joint material a, but the welding carriages 36A and 36B, 3B
Because 7A and 37B can't come too close,
When performing the welding work more efficiently by using one welding head 41 with two welding heads 41, the welding carriages 36A and 37A, 36B and 37B facing each other on the right and left are set as one joint material. It was necessary to weld a. Therefore, the welding carriage 36 must be provided on both sides of the welding area 33.
There is a problem that it is necessary to install A, 36B, 37A, and 37B, and the area occupied by the welding device becomes large. Further, the welding carriages 36A, 36B, 37 on both sides which are separated from each other
Since one joint material a is welded with A and 37B as one set, there is a problem that the creation of operation data necessary for operating the welding apparatus is complicated.

SUMMARY OF THE INVENTION It is an object of the present invention to solve the above problems and provide a steel-frame joint welding apparatus that can occupy a small area and simplify the creation of operation data.

[0005]

In order to solve the above problems, a steel frame joint welding apparatus of the present invention is one of a welding area provided with a column member supporting device capable of rotatably supporting and positioning a column member. On the side, a guide rail is laid along the length direction of the pillar, a movable welding carriage is provided on this guide rail, and this welding carriage is movable in the welding carriage movement direction and can be moved toward and away from each other. Two movable bases are arranged, each movable base is provided with a horizontal beam that can freely move in and out on the welding area side, and an elevation column that can be raised and lowered is provided at the tip of the horizontal beam. A welding robot capable of operating a welding head provided on an arm in an arbitrary direction is provided.

[0006]

According to the above construction, two welding carriages are provided on one welding carriage.
Operate two welding robots by moving the movable bases of the bases closer to each other, weld the welded part on the front side of the joint material with the welding head provided on the front movable base, and weld on the rear movable base. By welding the welding part on the rear side of the joint material with the head,
Two welding heads can simultaneously perform one joint material to be joined to the pillar material. Therefore, it is possible to perform efficient welding work with a welding device that occupies a small area.
Since two welding robots provided on one welding carriage are used, the creation of welding robot operation data can be simplified as compared with the conventional method.

[0007]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of a steel frame joint welding apparatus according to the present invention will be described below with reference to the drawings. In the welding area 1, the fixed-side rotation positioner 2 and the moving-side positioner 3 (column member support device) that rotate the column member A about the axis so that the joint surface of the joint member a faces upward and position it at 90 ° intervals. The movable positioner 3 can be guided by an adjusting rail 4 laid in the length direction of the pillar A to adjust the support position according to the length of the pillar A.

On one side of the work area 1, a pair of left and right guide rails 5 are laid along the length direction of the pillar material A,
Two welding carriages 6 and 7 are movably arranged on the guide rail 5. On these welding carriages 6 and 7, a pair of left and right work rails 9 are arranged in parallel to the guide rails 5 on the side of the welding area 1 via a support base 8. On the work rails 9, a first movable base 10 and The 2nd movable stand 11 is mounted movably, respectively. The first and second movable bases 10,
11 includes a horizontal beam 13 and a beam rail 14 on the lower surface.
It is supported so as to be retractable in the horizontal direction orthogonal to the work rail 9 via. At the tip of the horizontal beam 13, a lifting body 16 is supported by a rotating body 15 arranged via a vertical turning device 12 so as to be vertically movable via a pillar rail 17. A cylindrical coordinate type 5-axis robot 17 is provided at the lower end of the lifting column 16, and the robot 17
A welding head (including a welding torch in the case of gas welding) 19 is provided on the working arm 18 of FIG.

The cylindrical coordinate type 5-axis welding robot 17 is
A horizontally movable shaft member 22 is movably supported by a first vertical shaft rotating device 21 provided on the elevating column 16 via a horizontal moving device (not shown), and a vertical moving device is provided at the tip of the horizontal shaft member 22 ( A vertically movable shaft member 23 is provided so as to be able to move up and down via a not-shown). The working arm 18 is attached to the second vertical rotation device 24 provided on the vertical shaft member 23 via the horizontal rotation device 25. The welding robot 17 may be a multi-joint arm type welding robot.

Reference numeral 26 is a control panel provided on the welding carriages 6 and 7, 27 is a welding wire pack, and a welding head 19 is provided via a wire feeding device 28 provided on the lifting column 16.
Is configured to be sent to.

When the joint material a is welded to the pillar material A in the welding apparatus having the above-mentioned structure, two joint materials a are used.
A welding head 19 of a table is used. That is, the welding carriage 6
Alternatively, the welding robot 17 is operated by the control panel 26 by bringing the first and second movable bases 10 and 11 provided in 7 close to each other, and the welding head 19 provided in the front first movable base 10
The front side of the joint material a temporarily attached to the pillar material A is welded, and the rear side of the joint material a is welded by the welding head 19 provided on the rear second movable table 11. Then, when the welding of the joint material a is completed, the fixed side rotation positioner 2 and the moving side positioner 3 are driven to rotate the pillar material A by 90 °, and the next joint material a
Are welded in the same way.

As a result, even with a welding device having a small occupied area, it is possible to perform welding work more efficiently. Further, as compared with the conventional case in which two welding robots are separately arranged for welding carriages, one welding carriage 1 is used.
Since the two first and second welding robots 17 provided in Nos. 0 and 11 are used, the operation data creation of the welding robot 17 can be simplified as compared with the conventional case. Moreover, since four welding carriages can be used as two carriages, it is advantageous in terms of cost.

[0013]

As described above, according to the steel joint welding apparatus of the present invention, the two movable bases provided in one welding carriage are brought close to each other to operate the two welding robots. By welding the welding part on the front side of the joint material with the welding head provided on the movable table of the part, and by welding the welding part on the rear side of one joint material with the welding head provided on the movable table at the rear part, The joint material to be joined to the pillar material can be simultaneously formed by two welding heads. Therefore, efficient welding work can be performed with a welding device with a small occupied area, and since two welding robots provided on one welding trolley are used, it is possible to create welding robot operation data in comparison with conventional methods. Can be simplified.

[Brief description of drawings]

FIG. 1 is a plan view showing an embodiment of a steel frame joint welding apparatus according to the present invention.

FIG. 2 is a front view of the same device.

FIG. 3 is a plan view of a conventional steel frame joint welding device.

FIG. 4 is a front view of the conventional steel frame joint welding device.

[Explanation of symbols]

 A pillar material. a Joint material 1 Working area 2 Fixed side rotation positioner 3 Moving side rotation positioner 5 Guide rail 6 Welding dolly 7 Welding dolly 9 Working rail 10 1st movable table 11 2nd movable table 13 Horizontal beam 16 Lifting column 17 Welding robot 18 Working arm 19 welding head

Claims (1)

[Claims] 1. A guide rail is laid along the length direction of a pillar on one side of a welding area provided with a pillar supporting device capable of rotatably supporting and positioning the pillar, and the guide rail is provided. A movable welding carriage is provided on the upper side, and two movable carriages that are movable in the welding carriage movement direction and can move toward and away from each other are arranged on the welding carriage. Each horizontal beam is provided, and a lifting column that can be raised and lowered is provided at the tip of the horizontal beam, and a welding robot that can operate the welding head provided on the working arm in any direction is provided at the lower end of the lifting column. Steel-frame joint welding equipment.