Robotic End Effector Connector with Integrated Vacuum and Twist-Lock
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Solution Overview
Problem
Existing robotic picking stations face challenges with the use of vane pumps for vacuum systems, including heat hazards, vacuum line stiffness, and incompatibility with environments below 5° C.
Innovation Solution
An end effector connector with an integrated suction assembly and twist-lock connection system, which includes a structural frame and a suction assembly configured to generate vacuum pressure, allowing for quicker and easier connection and disconnection from the robotic arm without tools.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of repair
If an external vacuum source is positioned away from the robotic arm, then the vacuum source can be easily accessed for maintenance, but vacuum losses increase and the robotic arm's dexterity is reduced
Solution Approach 1:
The vacuum source is integrated directly into the end effector connector, merging previously separate components (vacuum source, end effector, and robotic arm interface) into a single unified unit. This eliminates vacuum losses from long transmission lines while maintaining accessibility for maintenance through the modular connector design that allows quick detachment.
2Adaptability or versatility
If a vane pump is used for the vacuum system, then vacuum function is provided, but heat hazards are generated and the system becomes incompatible with environments below 5° C
Solution Approach 1:
The invention changes the fundamental operating parameters of the vacuum system by replacing the vane pump with alternative vacuum generation methods such as vacuum generators or diaphragm pumps that operate without the heat generation and temperature restrictions of vane pumps. This enables operation in environments below 5° C without heat hazards while maintaining effective vacuum function.
3Strength
If a rigid vacuum line is used to prevent collapse, then structural integrity is maintained, but the robotic arm's dexterity is reduced
Solution Approach 1:
By integrating the vacuum source directly into the end effector connector, the invention eliminates the need for intermediate vacuum transmission lines entirely. The vacuum is generated at the point of use, allowing the robotic arm to move freely without rigid structural constraints while maintaining vacuum integrity through direct generation rather than transmission.
4Reliability
If traditional connection methods are used for the end effector, then secure attachment is achieved, but tool-based installation and removal are required
Solution Approach 1:
The invention replaces traditional mechanical fastening systems (screws, bolts, or other tool-based connections) with a twist-lock mechanism that uses rotational motion to engage locking features. This provides secure attachment through positive mechanical engagement while enabling tool-free installation and removal through simple twisting motions.
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
The integrated suction assembly reduces vacuum losses and allows for easier maintenance, while the twist-lock connection system provides a secure and tool-free attachment, enhancing the dexterity and reliability of the robotic manipulator.
Implementation Method 1
a suction assembly mounted to the structural frame, the suction assembly being configured to generate vacuum pressure for releasably engaging an item
Data Source
AI summary
An end effector connector for a robotic arm, the end effector connector comprising a structural frame and a suction assembly mounted to the structural frame. The suction assembly is configured to generate vacuum pressure for releasably engaging an item. The structural frame comprises one of a male or female end of a twist-lock connection system configured to form a connection with the other of a male or female end of the twist-lock connection system connected to the robotic arm to secure the end effector connector to the robotic arm.