Robot system

Abstract

The present invention provides a robot system in which a robot and a positioner are combined with each other. In the robot system, footprint is reduced and a production line having a short tact time between steps is formed. A robot system includes a work object (10), robots (5), (6) that perform a work operation on the work object (10), and positioners (7), (8) that position the work object (10), wherein the robots (5), (6) are provided on frame members of the positioners (7), (8).

Description

technical field [0001] The present invention relates to a robot system using a vertical articulated robot. Background technique [0002] In a production line using industrial robots in recent years, there is a tendency to arrange robots densely to compress the manufacturing process. That is, the footprint of the robot is reduced, and the workshop itself is reduced in size, thereby suppressing costs required for air conditioning in the workshop and reducing air conditioning equipment. In addition, tact time can be shortened by shortening the distance between work steps, so it is desired to tighten the manufacturing process. [0003] A typical example of a production line equipped with such a manufacturing process is a welding line for automotive parts. As a conventional welding line system, a system using a positioner (positioner) for positioning a robot and parts has been proposed (for example, refer to Patent Document 1). The structure of this system is an example of a p...

AI Technical Summary

Problems solved by technology

[0009] In the existing robot system, although a production line is constructed in which a robot and a positioner are used to weld objects to be worked, and to sequentially hand over objects to be worked between work processes, since the positioner is arranged in the work area of ​​the robot Therefore, the space for installing the positioner and the space for installing the robot are required separately, and there is a problem of increasing the corresponding amount of the working space, and there are problems of increasing the workshop space and increasing the cost of the air conditioner.

[0010] In addition, in the case of welding a long piece, in the production line shown in Patent Document 2, the welding robot, the transfer robot, and the positioner become longer in the advancing direction of the production line, and are also configured to be longer in the next process. production line, so there is a tendency for continuous production lines to become longer

In this way, since a long production line is formed, the floor space becomes larger, and there is a problem that the workshop itself becomes larger.

In addition, since the distance between processes becomes longer, the tact time becomes longer, resulting in a problem that manufacturing time is consumed

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