Variable Geometry Conveying Device for Continuous Web Shearing

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Solution Overview

Problem

Existing processing apparatuses for continuous material supply struggle with maintaining continuous operation without interruptions, requiring compact and high-productivity solutions suitable for electrical energy storage device production, while also being cost-effective and reliable.

Innovation Solution

A processing apparatus with a conveying device featuring a closed loop slidable flexible element with variable geometry, where the processing unit moves in alternating forward and return steps to maintain synchronization with material advancement, allowing for efficient shearing and separation of continuous web materials.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Productivity

If a processing apparatus uses a conventional conveying device with fixed geometry, then the structure is simple, but the productivity is low and the apparatus dimensions are large

Engineering Contradiction:
Improveprocessing speedVSAvoidconveying device complexity
Core Design Contradiction:
ProductivityVSDevice complexity

Solution Approach 1:

The conveying device employs a movable portion that can change position during the work cycle, transforming the closed loop geometry dynamically. This allows the processing unit to advance with the material at high speed while the conveying device adapts its configuration, resolving the contradiction between high productivity and device complexity by making the system dynamic rather than static

Inventive Principle:
Principle #15Dynamics

Solution Approach 2:

The conveying device is divided into a movable portion and a fixed portion, allowing independent optimization of each segment. The movable portion handles the high-speed advancement phase while the fixed portion provides stable support, enabling high productivity without requiring the entire device to be complex

Inventive Principle:
Principle #1Segmentation

2Productivity

If the processing apparatus is designed for high-speed processing, then productivity increases, but the apparatus dimensions in the material advancement direction increase

Engineering Contradiction:
Improveprocessing speedVSAvoidapparatus length
Core Design Contradiction:
ProductivityVSLength of moving object

Solution Approach 1:

By dynamically changing the closed loop geometry through the movable portion, the apparatus can maintain a compact footprint while achieving high processing speeds. The flexible element allows the processing unit to cover large advancement distances without requiring proportionally large apparatus dimensions, as the loop can be reconfigured during operation

Inventive Principle:
Principle #15Dynamics

Solution Approach 2:

The movable portion is integrated within the existing apparatus structure, nesting the high-speed advancement mechanism within the compact apparatus footprint. This allows the processing unit to traverse long distances for high productivity while the overall apparatus remains compact through efficient spatial arrangement

Inventive Principle:
Principle #7Nested doll (Nesting)

3Reliability

If the processing unit moves with alternating forward and return movements, then continuous processing is maintained, but the device complexity increases

Engineering Contradiction:
Improvecontinuous operationVSAvoidconveying device complexity
Core Design Contradiction:
ReliabilityVSDevice complexity

Solution Approach 1:

The closed loop conveying device with movable portion ensures continuous material advancement without interruptions. The processing unit maintains engagement with the material throughout the forward movement, and the loop geometry adjustment enables seamless transition between forward and return phases, ensuring continuous useful action while managing complexity through elegant mechanical design

Inventive Principle:
Principle #20Continuity of useful action

Data Source

PatentEP3523231B1Processing apparatus
Publication Date: 2022.07.13 MANZ ITAL
  • EP3523231B1 patent drawingFigure 1~3
  • EP3523231B1 patent drawingFigure 4
  • EP3523231B1 patent drawingFigure 5(A)~5(C)

AI summary

A processing apparatus is disclosed comprising a shearing unit that receives the material to be processed from a conveying device upstream and surrenders it to a conveying device downstream, in which the material to be sheared advances with a continuous supply motion, in which each conveying device comprises a variable geometry closed loop slidable flexible element, in which the shearing unit is constrained to move with alternating motion together with two movable portions of the two conveying devices. The apparatus can process web-shaped material for the production of electrical energy storage devices.