Rotary Gripper Reel Transfer for Precise Battery Stacking
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
The existing methods for stacking secondary batteries, particularly medium-sized and large-sized batteries, require costly investments and high-speed, high-precision processes, and there is a need for improved efficiency and precision in the stacking process to prevent defects like short circuits.
Innovation Solution
A secondary battery stacking device and method utilizing a rotary gripper, ladder frame, and reel supply system that includes a guide rail, suction and cutting mechanisms to facilitate high-speed and precise stacking of electrode plates on a reel, with alignment and pressurization processes to ensure correct positioning and prevent defects.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If conventional stacking methods are used for medium-sized and large-sized secondary batteries, then the stacking process can be completed, but the investment cost is high and the process requires high-speed, high-precision control which increases complexity
Solution Approach 1:
The patent replaces complex mechanical positioning systems with a suction-based holding mechanism. The holding member uses suction force to securely hold the reel during transfer, eliminating the need for complex mechanical clamps or fixtures. This substitution maintains stacking precision while reducing device complexity and investment cost.
Solution Approach 2:
The patent employs pneumatic suction through the holding member to grasp and transfer the reel. The suction force is controlled to be sufficient for secure holding during transfer but can be released easily at the destination. This pneumatic approach provides high-precision positioning without requiring complex mechanical adjustment mechanisms, thereby reducing overall system complexity while maintaining manufacturing precision.
2Productivity
If high-speed, high-precision processes are implemented, then stacking efficiency improves, but investment cost increases
Solution Approach 1:
The patent replaces expensive, high-precision mechanical positioning systems with a simpler suction-based holding mechanism. The holding member with suction capability enables high-speed transfer without requiring complex mechanical guidance systems, thereby improving productivity while reducing investment cost.
Solution Approach 2:
The suction-based holding mechanism is self-regulating through the suction force. The holding member automatically adjusts its grip on the reel through suction pressure, eliminating the need for additional sensors, actuators, or control systems that would increase investment cost. This self-service mechanism maintains high-speed operation capability while keeping the system simple and cost-effective.
3Reliability
If suction force is increased to hold the reel securely, then transfer reliability improves, but the reel may deform
Solution Approach 1:
The patent controls the suction force parameter within an optimal range. The suction force is sufficient to securely hold the reel during transfer (improving reliability) but is controlled not to exceed the threshold that would cause reel deformation (preserving strength). This parameter optimization resolves the contradiction between transfer reliability and reel integrity.
Solution Approach 2:
The holding member applies suction force locally at specific contact points on the reel rather than distributing force across the entire reel surface. This localized application of suction force ensures secure holding during transfer while minimizing the total force applied, thereby preventing reel deformation and maintaining structural integrity.
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 solution enables high-speed, high-precision stacking of secondary batteries, reducing the risk of defects such as short circuits by ensuring accurate alignment and cutting of electrode plates, thereby improving the efficiency and quality of the stacking process.
Implementation Method 1
a suction portion positioned on one side of the gripper body portion and configured to suction the reel
Data Source
AI summary
The present disclosure provides a secondary battery stacking device. The secondary battery stacking device includes a stacking table configured to position a reel on the stacking table, a ladder frame positioned above the stacking table and having a guide rail along a longitudinal direction, a rotary gripper configured to suction the reel and move the reel along the guide rail, and a reel supply portion configured to supply the reel.