Robot Arm With Symmetrical Attaching Surfaces
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Solution Overview
Problem
Conventional robot arm mechanisms are inflexible, requiring multiple types of robots for various manufacturing configurations, leading to complexity in management and inefficient use of resources.
Innovation Solution
A robot arm configuration featuring a first arm member rotatable about a vertical axis, a second arm member swingable about a horizontal axis, and a third arm member swingable about another horizontal axis, with symmetrical attaching surfaces allowing the second arm member to be attached in two positions, enabling easy reconfiguration of the arm structure.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If conventional robot arm mechanisms use fixed single-configuration designs, then structural simplicity is maintained, but adaptability to different manufacturing configurations is poor
Solution Approach 1:
The first arm member is designed with multiple attaching surfaces (first attaching surface and second attaching surface) that allow the second arm member to be attached in different positions and orientations. This enables a single robot arm mechanism to perform multiple functions and adapt to various manufacturing configurations, resolving the contradiction between adaptability and device complexity.
2Adaptability or versatility
If multiple types of robots are used for various manufacturing configurations, then adaptability is improved, but management complexity and resource efficiency deteriorate
Solution Approach 1:
By equipping the first arm member with multiple attaching surfaces, a single robot type can be configured for different manufacturing tasks. This eliminates the need to maintain multiple specialized robot types, thereby improving adaptability while reducing management complexity and resource requirements.
3Adaptability or versatility
If robot arm configurations are changed frequently, then manufacturing line flexibility is improved, but teaching operations and program setting time increase
Solution Approach 1:
The multiple attaching surfaces on the first arm member enable quick reconfiguration of the robot arm for different manufacturing tasks. Since the same arm structure with standardized attaching surfaces can be reused across different configurations, teaching operations and program setting can be efficiently transferred or adapted, reducing the time loss associated with frequent reconfigurations.
Data Source
AI summary
The robot includes a first arm member rotatable about a first axis line which extends in an up-and-down direction with respect to a base member, a second arm member supported by the first arm member so as to be swingable about a second axis line which extends in a horizontal direction, and a third arm member supported by a distal end side of the second arm member so as to be swingable about a third axis line which extends in a horizontal direction, and the first arm member is provided with a first attaching surface which is a surface substantially perpendicular to the second axis line, and to which the second arm member can be attached, and a second attaching surface which faces in a direction opposite from the first attaching surface, and to which the second arm member can be attached.