Recessed Drawer Coupling for Interference-Free Robotic Access
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Solution Overview
Problem
Existing workpiece storage facilities hinder efficient retrieval and delivery of workpieces by robots due to interference from traditional handles or tongues, which impede robotic access.
Innovation Solution
A container apparatus with a block assembly that removably mates with a hitch outside the workpiece storage volume, using a coupling block that does not interfere with the storage space, and includes a flexible shock absorber to reduce mechanical noise and vibration.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If a traditional handle or tongue is used on the storage facility, then the container can be manually operated, but the robotic access is impeded and retrieval efficiency is reduced
Solution Approach 1:
The container is divided into functional segments: a handle assembly that protrudes from the storage facility for manual operation, and a separate coupling mechanism that enables robotic interaction. This segmentation allows each component to serve its specific function without interfering with the other, resolving the contradiction between manual operability and robotic efficiency.
Solution Approach 2:
A coupling mechanism acts as an intermediary between the robotic arm and the container. This intermediary component enables the robot to interact with the container without requiring direct contact with the handle or tongue, thereby maintaining manual operation capabilities while improving robotic retrieval efficiency.
2Ease of operation
If a handle protrudes from the storage facility, then manual grasping is enabled, but the handle interferes with robotic access to workpieces
Solution Approach 1:
The handle assembly is positioned to protrude in a direction that does not interfere with the robotic arm's access path to the workpieces. By optimizing the spatial dimension and orientation of the handle, the design allows manual grasping while maintaining clear access for robotic operations.
3Productivity
If a coupling mechanism is added for robotic interaction, then robotic retrieval is enabled, but the device complexity increases
Solution Approach 1:
The coupling mechanism is designed to serve multiple functions: it enables robotic interaction, provides a interface for the robotic arm to grasp the container, and can be integrated with the existing handle assembly. This multi-functionality reduces the need for separate components, thereby limiting the increase in device complexity while achieving robotic retrieval capability.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
Enables seamless robotic access to workpieces without interference, improving the efficiency of workpiece handling and reducing mechanical noise and vibration during movement.
Implementation Method 1
a flexible shock absorber operably coupled between the coupling block and a surface of the container assembly, the shock absorber configured to reduce physical shock from impact of the corresponding hitch with the block assembly, and also to isolate the container assembly from vibration arising from the hitch during container assembly movement
Data Source
AI summary
A drawer opening system includes a hitch on a robot arm, and a block assembly disposed within a cavity on an external face of a first drawer, such that the hitch is configured to approach the external face of the drawer, enter the recess, and securely engage the block assembly within the cavity. In illustrative embodiments, when not engaged with the hitch, no part of the block assembly extends beyond the external face of the drawer such that it would impede access of a robot to a second open drawer disposed beneath the first drawer.