AGV Positioning Platform With Adjustable Locking for Battery Changeovers
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Solution Overview
Problem
Existing transfer devices on battery production lines are limited to handling battery components of the same specifications and dimensions, requiring manual changes during product transitions, leading to low production efficiency and high labor costs.
Innovation Solution
A transfer device with an automated guided vehicle and a positioning transmission mechanism, including first and second locking assemblies driven by a ball screw structure, allows for adjustable spacing to accommodate components of varying sizes and specifications without manual intervention.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a robot performs multiple tasks such as picking up objects, transporting them, and performing operations, then the robot requires multiple different end effectors attached to the same end of the manipulator, but this increases the time required to exchange end effectors and reduces productivity
Solution Approach 1:
The system divides the end effector functionality into separate modular units (suction cup apparatus, gripper, hammer, etc.), each capable of performing specific tasks. These segmented modules can be independently selected and attached based on the required operation, eliminating the need for a single complex multi-functional end effector and reducing exchange time.
Solution Approach 2:
The manipulator end is designed with a universal attachment interface that can accommodate multiple different end effector types. This universal interface allows rapid exchange between different specialized end effectors while maintaining consistent mounting mechanisms, enabling the system to perform multiple tasks with a single standardized interface.
2Productivity
If end effectors are prepared in advance for each task, then the robot can execute tasks more efficiently, but this requires a large number of end effectors to be stored, increasing space requirements and complexity
Solution Approach 1:
By segmenting end effector functions into smaller modular units, the system reduces the number of separate end effector assemblies needed. For example, multiple suction cups can be used for different objects, or different gripper configurations can be achieved with modular components, rather than requiring a unique end effector for each task type.
Solution Approach 2:
The system can adjust parameters of existing end effectors (such as suction force, gripper opening width, hammer force) to adapt to different tasks without requiring completely different end effector designs. This parameter adjustment capability reduces the number of physical end effectors needed while maintaining task execution efficiency.
3Strength
If a suction cup apparatus is used to pick up objects, then lightweight objects can be grasped, but the suction force must be strong enough to prevent detachment during transport, requiring careful control of suction pressure
Solution Approach 1:
The suction cup system incorporates sensors that detect the weight and position of the held object, providing feedback to the control unit. The control unit automatically adjusts the suction pressure based on this feedback, maintaining optimal suction force without requiring manual intervention. This ensures sufficient suction to prevent detachment while avoiding excessive pressure that could damage the object.
Solution Approach 2:
The suction pressure is dynamically adjusted during operation rather than maintained at a constant high level. The system increases suction force when needed (during pickup and initial transport) and reduces it when the object is securely held, allowing the manipulator to move freely without continuous high-pressure application. This dynamic control simplifies operation while maintaining grasping strength.
Data Source
Figure 1
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AI summary
Provided is a transfer device, which relates to the technical field of transfer apparatuses. The transfer device includes: an automated guided vehicle, a positioning platform and a positioning transmission mechanism. The automated guided vehicle is provided with a supporting frame; the positioning platform is arranged on the supporting frame; and the positioning transmission mechanism includes a first locking assembly, a second locking assembly, and a first driving assembly connected to the first locking assembly and the second locking assembly, where the first locking assembly and the second locking assembly are arranged on two opposite sides of the positioning platform at an interval in a first direction in a horizontal plane, and the first driving assembly is configured to drive the first locking assembly and the second locking assembly to move toward or away from each other, such that the first locking assembly and the second locking assembly cooperate to fix a piece-to-be-transferred. According to the technical solution of the present application, it is not necessary to change the transfer device during changeover, such that production efficiency during changeover is improved, and labor costs and production costs are reduced.