Movable Guide Members for Flat Element Transport

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Solution Overview

Problem

Conventional belt conveyor systems in folder-gluers face challenges in transverse mobility due to integration requirements, leading to restricted movement and increased risk of slips during blank transfers between modules, which can distort the position of cutouts and harm the manufacturing process.

Innovation Solution

A transport device with a variable geometry design, featuring movable guide members that adjust between retracted and deployed positions, and complementary guide members that interpose between static and movable guide members, allowing for adaptable longitudinal size adjustments and maintaining transverse freedom, thereby enhancing the transfer of flat elements.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Ease of operation

If the belt conveyor is completely integrated inside the module, then the transverse mobility of carriers is guaranteed, but the longitudinal positioning becomes fixed and distant from adjacent modules

Engineering Contradiction:
Improvetransverse mobility of carriersVSAvoidlongitudinal positioning distance
Core Design Contradiction:
Ease of operationVSLength of moving object

Solution Approach 1:

The guide members are made movable rather than fixed, allowing the conveyor to dynamically adjust its longitudinal position. The guide members can move between retracted and deployed positions, enabling the conveyor to extend or shorten its length as needed while maintaining proper positioning between modules.

Inventive Principle:
Principle #15Dynamics

Solution Approach 2:

The guide members are divided into multiple separate components rather than being a single fixed structure. This segmentation allows individual guide members to be positioned and adjusted independently, enabling the conveyor to adapt its configuration to maintain both integration and proper spacing.

Inventive Principle:
Principle #1Segmentation

2Reliability

If the carriers are placed in the extension of each other with complete integration, then continuous transport is achieved, but empty spaces between modules cause slips and distortion

Engineering Contradiction:
Improvecontinuous transportVSAvoidposition accuracy of blanks
Core Design Contradiction:
ReliabilityVSManufacturing precision

Solution Approach 1:

Complementary guide members act as intermediary elements that bridge the gap between modules. These guide members are positioned in the spaces between modules to provide continuous support and guidance for the belt, eliminating empty spaces that would otherwise cause slips and maintain manufacturing precision.

Inventive Principle:
Principle #24Intermediary (Mediator)

Solution Approach 2:

The complementary guide members are positioned in advance in the spaces between modules before the belt arrives. This preliminary placement ensures that support is already in place to prevent slips and maintain position accuracy when blanks are transferred between modules.

Inventive Principle:
Principle #10Preliminary action

3Adaptability or versatility

If the transverse position is adjusted according to blank size and shape, then adaptability is improved, but the integration with adjacent modules becomes restricted

Engineering Contradiction:
Improvetransverse position adjustmentVSAvoidintegration constraints
Core Design Contradiction:
Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The guide members are designed to be movable rather than fixed, allowing the conveyor to dynamically adjust its longitudinal position as the belt moves. This dynamic capability enables transverse position adjustment for different blank sizes and shapes while maintaining proper integration with adjacent modules throughout the adjustment range.

Inventive Principle:
Principle #15Dynamics

Data Source

PatentEP2964556B1Device for transporting flat elements
Publication Date: 2019.09.18 BOBST MEX SA
  • EP2964556B1 patent drawingFigure 1
  • EP2964556B1 patent drawingFigure 2~3
  • EP2964556B1 patent drawingFigure 4~5

AI summary

The invention relates to a device (1) for transporting planar elements along a given conveying path, which includes an endless transport member (10) that is movably guided over the entire length of the conveying path by a series of substantially adjacent guide members (20, 30), at least one movable guide member (30) being movably mounted separately from the static guide members (20) that are fixedly mounted, between a retracted position in which the movable guide member (30) is placed in direct alignment with the static guide members (20), and a deployed position in which the movable guide member (30) is spaced apart from the static guide members (20). Matching guide members (40) are movably mounted such as to move between a reserve position, in which said matching guide members are spaced apart from the static guide members (20) and from the movable guide member (30) when the latter is in the retracted position, and a service position, in which said matching guide members are continuously inserted between the static guide members (20) and the movable guide member (30) when the latter is in the deployed position.