Battery Cell Gripper With Floatable Clamping Plate Assembly
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Solution Overview
Problem
Existing grabbing apparatuses struggle to stably grasp battery cells, leading to instability and potential damage during the automatic loading process in battery production.
Innovation Solution
A grabbing apparatus with a rack, clamping plate mechanism, and distance varying mechanism, featuring a reference and floatable clamping plate assembly, which adjusts distance between clamping plates for stable and adaptable clamping, reducing shaking and damage, and allowing for efficient handling of battery cells with varying dimensions.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If a single clamping plate assembly is used to grab battery cells, then the device complexity is reduced, but the clamping stability and ability to handle battery cells of different dimensions deteriorates
Solution Approach 1:
The clamping mechanism is divided into two independent clamping plate assemblies (reference clamping plate assembly and floatable clamping plate assembly) that can move relative to each other. This segmentation allows each assembly to perform specific functions: the reference assembly provides stable positioning while the floatable assembly adapts to battery cell dimensions, thereby improving clamping stability without requiring an overly complex integrated mechanism.
Solution Approach 2:
The floatable clamping plate assembly is designed to move dynamically along the clamping direction under the action of the distance varying mechanism. This dynamic capability allows the assembly to automatically adjust its position to accommodate battery cells of different dimensions, improving adaptability and clamping reliability while maintaining relatively simple structural design.
2Adaptability or versatility
If the distance between clamping plate assemblies is fixed, then the device complexity is reduced, but the adaptability to battery cells of different dimensions deteriorates
Solution Approach 1:
The distance varying mechanism enables the floatable clamping plate assembly to dynamically adjust its distance from the reference clamping plate assembly along the clamping direction. This dynamic adjustment capability allows the system to adapt to battery cells of different dimensions by varying the initial distance between assemblies, achieving high versatility without requiring complex multi-component adjustment systems.
Solution Approach 2:
The distance varying mechanism serves multiple functions: it adjusts the initial distance between clamping plate assemblies for different battery dimensions, and during clamping, it allows the floatable assembly to move relative to the reference assembly to accommodate dimensional variations. This multi-functionality achieves universal compatibility with different battery cell types while maintaining relatively simple mechanism design.
3Reliability
If clamping force is applied unevenly on battery cells, then the device complexity is reduced, but the risk of battery cell damage increases
Solution Approach 1:
The clamping force application is segmented into two independent actions: the reference clamping plate assembly provides stable positioning force, while the floatable clamping plate assembly applies adaptive clamping force. This segmentation ensures that forces are distributed evenly on both sides of the battery cell, improving safety and reducing damage risk while avoiding the need for complex force distribution mechanisms.
Solution Approach 2:
Each clamping plate assembly is designed with specific local characteristics: the reference assembly provides stable, consistent positioning, while the floatable assembly provides adaptive, dimension-dependent clamping force. This local quality differentiation ensures even force distribution across different battery cell types, improving reliability without requiring complex overall force distribution systems.
4Productivity
If grabbing and releasing operations are performed slowly, then the manufacturing precision is improved, but the productivity deteriorates
Solution Approach 1:
The floatable clamping plate assembly is designed to move dynamically during grabbing and releasing operations. This dynamic design allows the assembly to quickly respond to battery cell positions and maintain precise clamping throughout the motion, enabling high-speed operations without sacrificing clamping precision. The distance varying mechanism facilitates rapid movement while the floating capability ensures continuous precise contact.
Data Source
AI summary
A grabbing apparatus, a grabbing device, a battery production line, and a control method are provided. The grabbing apparatus includes a rack, a clamping plate mechanism, and a distance varying mechanism, where the rack is configured to connect to a manipulator; the clamping plate mechanism includes two clamping plate assemblies spaced apart and is configured to clamp multiple battery cells; the distance varying mechanism is arranged on the rack and drivably connected to the two clamping plate assemblies to adjust a distance between the two clamping plate assemblies; the two clamping plate assemblies are a reference clamping plate assembly and a floatable clamping plate assembly; the reference clamping plate assembly is capable of providing a clamping reference for the multiple battery cells; and the floatable clamping plate assembly is capable of clamping each battery cell tightly.