JPH07100695A - Method and device for mounting traveling rail for welding robot - Google Patents

Abstract

PURPOSE:To efficiently perform the mounting operation of rail in a short time. CONSTITUTION:After abutting a positioning member 6 provided on the lower part of a rail mounting jig 2 on a groove surface 19a or 19b constituting the joint part 19 of a square or a round steel frame column 1, arranging plural rail mounting jig 2 on the outer periphery of the steel frame 1, and fixing them by a first magnets 4, an annular traveling rail 3 is placed on the rail mounting jig 2. Next, a second magnet 16 is moved toward the steel frame column 1 along with a magnet guide 15 with an adjusting screw 18 by using the adjusting screw 18, a magnet guide 15 and a second magnet 16 provided on the traveling rail 3 in advance, and is fixed to the outer periphery of the steel frame column 1, the insertion dimensions of the adjusting screw 18 is uniformed, and the second magnet 16 is pressed onto the outer periphery of the steel frame 1, thereafter the rail mounting jig 2 is removed from the lower position of the traveling rail 3 to complete the operation.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method and apparatus for mounting a traveling rail for a welding robot, which automatically welds the outer periphery of a joint portion of a square or round steel frame column.

[0002]

2. Description of the Related Art Conventionally, a traveling rail for a welding robot is mounted by a plurality of workers surrounding a square or round steel frame pillar to support the traveling rail, and at each supporting point of the traveling rail and a joint of the steel pillar. This is done by measuring the distance to the groove that constitutes the part one by one on a scale and mounting the traveling rail at a regular position.

[0003]

However, it is not easy to find the proper position under the unstable temporary support state manually, so that the rail mounting work requires a lot of time and labor.

The present invention has been made to solve the above problems, and a first object of the present invention is to provide a method for mounting a traveling rail for a welding robot, which can efficiently perform rail mounting work in a short time. It is in.

A second object of the present invention is to provide a traveling rail mounting device for a welding robot suitable for carrying out the above method.

[0006]

In order to achieve the first object, the present invention has the following features.
It is a method of attaching a traveling rail for a welding robot that automatically welds the outer periphery of a joint portion of a square or round steel frame column, and is provided at the bottom of the rail attachment jig on the groove surface that constitutes the joint portion of the steel frame column. A plurality of rail mounting jigs are arranged on the outer periphery of the steel frame column by applying a positioning member and fixed by the first magnet, and then an annular traveling rail is mounted on the rail mounting jig. Then, using the adjusting screw, the magnet guide and the second magnet which are provided in advance on the traveling rail,
The second screw is moved toward the steel column along the magnet guide by the adjusting screw to fix the second magnet to the outer periphery of the steel column, and the entrance and exit dimensions of the adjusting screw in the traveling rail are made uniform so that the second magnet is fixed. After being pressed against the outer circumference of the steel frame column, the rail mounting jig is removed from the lower portion of the traveling rail.

In order to achieve the above second object,
According to a second aspect of the present invention, there are provided a plurality of rail mounting jigs that are arranged in contact with the outer circumference of a square or round steel frame pillar, and the rail mounting jigs are respectively provided below the rail mounting jigs. Positioning members that are applied to the groove face that constitutes the joint portion of the steel frame column, first magnets that are respectively provided on the rail mounting jig and are detachably fixed to the outer periphery of the steel frame column, and a plurality of rail pieces An annular traveling rail configured by connecting the magnets, a magnet guide provided on the inner periphery of the traveling rail so as to extend toward the outer periphery of the steel column, and movably fitted to the magnet guide. A magnet mounting bracket, a second magnet mounted in the magnet mounting bracket, and an adjusting screw screwed to the traveling rail to push the magnet mounting bracket toward the outer circumference of the steel column.

[0008]

According to the structure described in claim 1, after the rail mounting jig is fixed to the regular position on the outer periphery of the steel frame column by using the positioning member and the first magnet, the rail mounting jig is mounted on the rail mounting jig. Place the circular traveling rail, and in this temporary support state,
After adjusting and fixing the gap between the traveling rail and the outer periphery of the steel frame column using the adjusting screw, the magnet guide and the second magnet, the rail mounting jig is removed, and the mounting work is completed.

According to the second aspect of the present invention, the rail mounting jig is mounted, the traveling rail is placed on the rail mounting jig, and the position of the traveling rail is adjusted to carry out the above method. To do.

[0010]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to the drawings.

FIG. 1 is a plan view showing a mounting device for a traveling rail for a welding robot, and FIG. 2 is a diagram for positioning a rail mounting jig.
1 is a cross-sectional view of the fixing mechanism taken along the line AA of FIG. 1, FIG. 3 is an enlarged view of part B of FIG.
FIG. 4 is a C of FIG. 1 showing a space adjusting / fixing mechanism of the traveling rail.
5 is an enlarged view of a portion, FIG. 5 is a cross-sectional view taken along line D-D of FIG. 4, and FIG. 6 is a view corresponding to FIG. 3 showing another example of the assembly structure of the traveling rail.

In these figures, 1 is a square or round steel frame column (round type in the embodiment), 2 is a plurality of rail mounting jigs arranged in contact with the outer circumference of the steel column 1, and 3 is an annular shape. It is a traveling rail.

A first magnet 4 abutting on the outer circumference of the steel frame column 1 is provided on the upper side of one side of the rail mounting jig 2, a rail support surface 5 is provided on the upper side, and a lower portion is provided on the lower side. A positioning member 6 is provided which projects forward from the contact surface level of the first magnet 4.

The traveling rail 3 has an assembled structure that can be easily arranged on the outer circumference of the steel frame column 1. That is, as shown in FIG. 3, a pair of joint pieces 7 that overlap each other are provided on the inner circumference of the abutting ends of the rail pieces 3a and 3b.
a and 7b are mounted respectively, and the overlapping portions of the joint pieces 7a and 7b are connected by bolts 8. The assembly structure is not limited to this, and as shown in FIG.
a and 10b, a convex portion 10a and a concave portion 10b, which are fitted to each other, are formed in the facing portions of the pair of joint pieces 9a and 9b respectively mounted on the inner circumferences of the abutting end portions of a and 3b. One end portion of the bolt 11 is pivotally attached, and a step portion 13 engaged with a nut 12 screwed to the bolt 11 is formed on the other joint piece 9b, and the joint piece 9 is rotated by tightening and rotating the nut 12.
You may make it fasten between a and 9b.

A rack 14 is provided below the traveling rail 3 and is continuous when the traveling rail 3 is assembled.

As shown in FIG. 4, U-shaped magnet guides 15 are formed on the inner circumference of the traveling rail 3 so as to extend toward the outer circumference of the steel column 1 and are open at a plurality of intervals. Each magnet guide 15 has a magnet 1
A magnet mounting bracket 17 for mounting and supporting 6 is movably fitted, and the traveling rail 3 (which may be the bottom portion of the magnet guide 15 as shown in the drawing) faces the outer circumference of the steel column 1 and is magnetized. An adjusting screw 18 for pushing out the mounting member 17 is screwed.

According to the above structure, the joint portion 19 of the steel frame column 1
In the case of automatically welding the outer periphery of the, first, the joint portion 1 of the steel frame column 1
The positioning member 6 provided at the lower portion of the rail mounting jig 2 is applied to the groove surface 19a or 19b (in the embodiment, the lower groove surface 19a) forming 9 to form a plurality of rails on the outer periphery of the steel column 1. The mounting jig 2 is placed in contact with and fixed to the outer periphery of the steel column 1 by the first magnet 4.

Next, the circular traveling rail 3 is placed on the rail mounting jig 2, and in this temporary support state, the adjusting screw 18, the magnet guide 15 and the second magnet provided in advance on the traveling rail 3 are provided. 16 and adjusting screw 18
The second magnet 16 is moved toward the outer circumference of the steel column 1 along the magnet guide 15 by the
The outer periphery of the steel column 1 is fixed to the outer periphery of the steel column 1 by adjusting the distance t between the traveling rail 3 and the outer periphery of the steel column 1 by making the adjusting screw 18 in and out of the traveling rail 3 uniform. The second magnet 16 is pressed.

Thereafter, the rail mounting jig 2 is removed from the lower portion of the traveling rail 3 to complete the mounting work.

When the traveling rail 3 is to be removed, contrary to the above, as shown by the imaginary line in FIG.
While the positioning member 6 is retracted so as not to contact the steel frame pillar 1, the rail mounting jig 2 is fixed to the steel frame pillar 1 by the first magnet 4, and the traveling rail 3 is supported by the rail mounting jig 2. Remove it.

[0021]

As described above, according to the first aspect of the present invention, there is provided a method for mounting a traveling rail for a welding robot, which automatically welds an outer periphery of a joint portion of a square or round steel frame column. Yes, on the groove surface constituting the joint portion of the steel column,
Apply the positioning member provided at the bottom of the rail mounting jig,
A plurality of rail mounting jigs are arranged on the outer periphery of the steel column, and the first
After being fixed by the magnet, the annular traveling rail is placed on the rail mounting jig. Then, the adjusting screw, the magnet guide and the second
Of the magnet, the second magnet is moved toward the steel column along the magnet guide by the adjusting screw to be fixed to the outer periphery of the steel column, and the entrance and exit dimensions of the adjusting screw in the traveling rail are made uniform. After the second magnet is pressed against the outer circumference of the steel column, the rail mounting jig is removed from the lower part of the traveling rail to complete the mounting work, so that the rail mounting jig is fixed to the regular position on the outer circumference of the steel column. Then, an annular traveling rail can be placed on the rail mounting jig, and in this temporary support state, the distance between the traveling rail and the outer circumference of the steel frame column can be adjusted and fixed. Therefore, a small number of people can install the traveling rails (one person is allowed).
Therefore, it can be performed accurately and efficiently in a short time. Further, since the rail mounting jig is removed after the traveling rail is mounted, welding work can be performed without being disturbed by the rail mounting jig.

Further, according to the present invention, in claim 2, a plurality of rail mounting jigs arranged in contact with the outer circumference of a square or round steel frame column, and the rail mounting jigs. Positioning members that are respectively provided in the lower portion and that are applied to the groove surface that constitutes the joint portion of the steel frame column, and a first member that is respectively provided in the rail mounting jig and is detachably fixed to the outer periphery of the steel frame column. Magnet, an annular traveling rail configured by connecting a plurality of rail pieces, a magnet guide provided on the inner periphery of the traveling rail so as to extend toward the outer periphery of the steel frame column, and the magnet guide. And a second magnet mounted in the magnet mounting bracket, and a magnet that is screwed into the traveling rail and pushes the magnet mounting bracket toward the outer circumference of the steel column. Due to a screw, the mounting of the rail mounting jig, by performing the placement and alignment of the running rail of the running rail into the rail mounting jig on, it is possible to reliably carry out the above method.

[Brief description of drawings]

FIG. 1 is a plan view showing an attachment device for a traveling rail for a welding robot according to an embodiment of the present invention.

FIG. 2 is a sectional view taken along the line AA of FIG. 1 showing a positioning / fixing mechanism of a rail mounting jig.

FIG. 3B of FIG. 1 showing an example of a traveling rail assembly structure.
FIG.

FIG. 4 is an enlarged view of a portion C in FIG. 1 showing a traveling rail interval adjustment / fixing mechanism.

5 is a cross-sectional view taken along the line DD of FIG.

FIG. 6 is a view corresponding to FIG. 3, showing another example of the assembly structure of the traveling rail.

[Explanation of symbols]

 1 Steel Column 2 Rail Mounting Jig 3 Traveling Rail 4 First Magnet 6 Positioning Member 15 Magnet Guide 16 Second Magnet 17 Magnet Mounting Bracket 18 Adjusting Screw 19 Joints 19a, 19b Groove Face

 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Takashi Okawa 6-2-10 Ginza, Chuo-ku, Tokyo Stock company, Tomoe Corporation

Claims (2)

[Claims] 1. A method for mounting a traveling rail for a welding robot, which automatically welds the outer periphery of a joint portion of a square or round steel frame column, wherein a rail mounting jig is provided on a groove surface constituting the joint portion of the steel frame column. A plurality of rail mounting jigs are arranged on the outer circumference of the steel frame column by applying a positioning member provided on the lower part of the column, and fixed by the first magnet, and then an annular traveling rail is mounted on the rail mounting jig. To do. Next, using the adjusting screw, the magnet guide and the second magnet which are provided in advance on the traveling rail, the second screw is moved toward the steel column along the magnet guide by the adjusting screw so as to move to the outer periphery of the steel column. After fixing and pressing the second magnet against the outer periphery of the steel frame column so that the adjusting screw in the traveling rail is uniform in size, the rail mounting jig is removed from the lower portion of the traveling rail. How to install traveling rails for welding robots. 2. A plurality of rail mounting jigs that are arranged to abut on the outer periphery of a square or round steel frame column, and a plurality of rail mounting jigs that are respectively provided under the rail mounting jigs to form a joint portion of the steel frame column. A positioning member that is applied to the groove surface, a first magnet that is respectively provided on the rail mounting jig and is detachably fixed to the outer periphery of the steel frame pillar, and an annular shape configured by connecting a plurality of rail pieces. Of the traveling rail, a magnet guide provided on the inner periphery of the traveling rail so as to extend toward the outer periphery of the steel frame column, a magnet mounting bracket movably fitted to the magnet guide, and the magnet mounting. A traveling magnet for a welding robot, comprising: a second magnet mounted in the metal fitting; and an adjusting screw screwed onto the traveling rail to push the magnet mounting hardware toward the outer periphery of the steel column. Attachment device.