Robot Arm Door Separation Device with Motorized Bolt Units
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Solution Overview
Problem
The existing manual process for separating vehicle doors from vehicle bodies in fitting factories is labor-intensive, inefficient, and prone to damage, particularly in narrow spaces, requiring multiple workers and risking physical harm and production delays.
Innovation Solution
A door separation device equipped with upper and lower side grippers, motorized bolt separation units, and vision sensors mounted on a robot arm, allowing for automatic adjustment and separation of doors based on varying door hinge distances and angles, enabling precise and efficient detachment without manual intervention.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Extent of automation
If manual tools and multiple workers are used to separate the door from the vehicle body, then the separation process can be performed, but the process becomes labor-intensive, time-consuming, and exposes workers to safety hazards in narrow spaces
Solution Approach 1:
The patent replaces manual mechanical operations with an automated robot system equipped with specialized end effectors. The robot performs door separation tasks that previously required multiple workers using manual tools, thereby automating the process while managing device complexity through modular end effector design.
Solution Approach 2:
The patent introduces a door separation device as an intermediary tool between the robot and the door-vehicle body assembly. This specialized end effector with bolt separation units acts as a mediator that enables the robot to perform the complex separation task, resolving the contradiction between automation and operational capability.
2Productivity
If multiple workers perform the door separation process manually, then the task can be completed, but production time increases and worker safety is compromised
Solution Approach 1:
The robot system with automated end effectors replaces manual worker operations, significantly reducing the time required for door separation. The automated system performs bolt separation and door detachment faster and more consistently than manual processes, thereby improving productivity while reducing time loss.
3Reliability
If manual separation is performed in narrow spaces, then the door can be detached, but the risk of damage to the door's painting film and physical harm to workers increases
Solution Approach 1:
The specialized end effector with bolt separation units acts as a controlled intermediary tool that interfaces with the door and vehicle body. This designed interface ensures safe and precise separation without causing damage to the painting film or exposing workers to hazards, thereby improving reliability while eliminating harmful factors.
Solution Approach 2:
Replacing manual separation operations with a controlled robot system eliminates the unpredictable forces and human error that lead to painting film damage. The automated system applies controlled forces through specialized end effectors, ensuring safe separation without compromising the door's surface finish or worker safety.
4Adaptability or versatility
If the separation device is designed to handle various kinds of vehicles, then versatility is improved, but the device complexity increases
Solution Approach 1:
The end effector incorporates adjustable and movable components that can be dynamically reconfigured to accommodate different vehicle types and door configurations. The bolt separation units and grippers can be positioned and adjusted to handle various door hinge distances and angles, providing versatility while managing complexity through dynamic adaptability rather than fixed multi-purpose design.
Solution Approach 2:
The robot system with programmable end effectors serves as a universal platform that can handle multiple vehicle types and door configurations. Through software control and mechanical adjustment capabilities, the same device performs separation tasks across different vehicle models, achieving versatility without proportionally increasing physical device complexity.
Data Source
AI summary
A door separation device that is used for various kinds of vehicles to detach a door that is mounted on a vehicle body through a door hinge in a door separation process may include an upper side gripper and lower side gripper that is respectively on a base frame that can be mounted on an arm end of a robot and is movable in an upper and lower direction, and grips an upper end and a lower end of a door, a moving frame that is disposed on the base frame to be movable in a transfer direction of a vehicle body, and an upper side bolt separation unit and a lower side bolt separation unit that respectively has a pair of motorized runners for separating a bolt that is engaged with a door and an upper side hinge and a lower side hinge of a vehicle body.