Robotic Stripping Means for Cathode Plate Metal Separation

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Solution Overview

Problem

Current methods for stripping metal from cathode plates in electrochemical processes, such as electrowinning and electrorefining, face inefficiencies due to the need for manual handling and the challenge of separating metal sheets that are interconnected at the bottom edge, leading to potential damage to the cathode plates and suboptimal throughput.

Innovation Solution

The use of a robotic arm with stripping means, such as rollers or wedge-shaped portions, to separate the metal from the cathode plate, allowing for precise control and concentration of mechanical forces at the interconnecting points, enabling more effective separation and minimizing cathode plate damage.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Productivity

If manual handling and traditional stripping methods are used, then the process is simpler in terms of device complexity, but the productivity and throughput are reduced

Engineering Contradiction:
ImprovethroughputVSAvoiddevice complexity
Core Design Contradiction:
ProductivityVSDevice complexity

Solution Approach 1:

The robotic arm system performs stripping operations autonomously without requiring manual intervention. The system self-regulates the positioning, insertion of stripping means, and removal of metal sheets, thereby increasing productivity while maintaining automated operation.

Inventive Principle:
Principle #25Self-service

Solution Approach 2:

The patent replaces manual mechanical handling with an automated robotic arm system that uses controlled mechanical motion. The robotic arm substitutes human operators while performing the same stripping function, improving throughput through consistent, repeatable automated cycles.

Inventive Principle:
Principle #28Mechanics substitution (Replace mechanical system)

2Stability of the object's composition

If metal sheets are interconnected at the bottom edge, then the metal sheets remain stable during deposition, but the separation process becomes more difficult and may cause damage

Engineering Contradiction:
Improvestability of metal sheetsVSAvoiddamage to cathode plate
Core Design Contradiction:
Stability of the object's compositionVSObject-affected harmful factors

Solution Approach 1:

The robotic arm system applies stripping means at multiple locations on the metal sheets, including the interconnected bottom edge. By segmenting the separation process into multiple insertion points and applying force distribution, the system successfully separates interconnected sheets without causing damage to the cathode plate.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The patent applies different stripping approaches to different locations on the metal sheets. The robotic arm positions stripping means specifically at the interconnected bottom edge where needed, while using different configurations for other areas, thereby separating sheets effectively without unnecessary damage.

Inventive Principle:
Principle #3Local quality

3Productivity

If stripping means are positioned closer to the bottom of the cathode plate, then the separation is more effective, but the risk of damaging the cathode plate increases

Engineering Contradiction:
Improveseparation efficiencyVSAvoiddamage to cathode plate
Core Design Contradiction:
ProductivityVSObject-affected harmful factors

Solution Approach 1:

The robotic arm system carefully controls the insertion depth and positioning of stripping means near the bottom edge of the cathode plate. By applying counterbalancing forces and controlling the mechanical insertion process, the system achieves effective separation close to the bottom without exceeding the structural limits of the cathode plate.

Inventive Principle:
Principle #8Anti-weight (Counterweight)

Solution Approach 2:

The robotic arm system performs preliminary positioning and assessment before inserting the stripping means. The system pre-positions the stripping means at the optimal location close to the bottom edge, ensuring accurate placement that maximizes separation efficiency while minimizing the risk of cathode plate damage through controlled, precise insertion.

Inventive Principle:
Principle #10Preliminary action

Data Source

PatentUS8607837B2Apparatus for stripping metal from a cathode plate
Publication Date: 2013.12.17 XSTRATA TECH PTY LTD
  • US8607837B2 patent drawing
  • US8607837B2 patent drawing
  • US8607837B2 patent drawing

AI summary

An apparatus for stripping metal from a cathode plate, the apparatus comprising stripping means adapted for positioning between the metal and the cathode plate in order to separate the metal from the cathode plate, and wherein movement of the stripping means is achieved through movement of a robotic arm.