Detachable Guide Element for Textile Cage Retrofit

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Solution Overview

Problem

Existing cage units in textile machines require costly and labor-intensive replacement of entire cages to retrofit guide elements, leading to inefficiencies and quality variations in yarn production due to the direct attachment of guide elements to cages, which limits adaptability and increases part complexity.

Innovation Solution

The cage support and guide element are designed to be detachably fastened to each other and the cage, allowing for easy attachment and interchangeability, reducing the need for cage replacement and minimizing the variety of parts required, with snap connections ensuring precise positioning and easy assembly.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If guide elements are fastened directly to the cage, then the guide element can be securely positioned, but the entire cage must be replaced when retrofitting, increasing conversion work and cost

Engineering Contradiction:
Improvesecure positioning of guide elementVSAvoidconversion work for retrofitting
Core Design Contradiction:
ReliabilityVSDevice complexity

Solution Approach 1:

The device is divided into separate functional components: the cage, the cage support, and the guide element. The cage support acts as an intermediary component that attaches to the cage and provides mounting points for the guide element. This segmentation allows the guide element to be replaced independently without replacing the entire cage assembly, reducing conversion work and cost while maintaining secure positioning through the multi-component attachment system.

Inventive Principle:
Principle #1Segmentation

2Device complexity

If guide elements are fastened directly to the cage, then the structure is simple, but retrofitting requires replacing the entire cage, increasing cost and effort

Engineering Contradiction:
Improvestructural simplicityVSAvoidcost of retrofitting
Core Design Contradiction:
Device complexityVSEase of manufacture

Solution Approach 1:

The cage support serves as an intermediary component between the cage and the guide element. It attaches to the existing cage structure and provides standardized mounting points for guide elements. This intermediary component enables retrofitting of guide elements on existing cages without replacing the entire cage, significantly reducing conversion cost and effort while maintaining a relatively simple overall structure.

Inventive Principle:
Principle #24Intermediary (Mediator)

3Stability of the object's composition

If the guide element is permanently connected to the cage support, then the component is stable, but a large number of different parts are required to cover all variations

Engineering Contradiction:
Improvecomponent stabilityVSAvoidnumber of different parts
Core Design Contradiction:
Stability of the object's compositionVSDevice complexity

Solution Approach 1:

The guide element and cage support are designed as separate, independently replaceable components with standardized connection interfaces. The cage support provides stable mounting to the cage, while the guide element can be detached and replaced independently. This segmentation reduces the number of different parts needed, as a single cage support can accommodate multiple guide element variants, and guide elements can be exchanged without replacing the stable cage support structure.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The connection between the guide element and cage support is designed to be dynamically adjustable rather than permanently fixed. The detachable connection allows the guide element to be positioned and secured in different configurations while maintaining stability during operation. This dynamic approach enables a single cage support to accommodate multiple guide element positions and types, reducing the total number of different parts required.

Inventive Principle:
Principle #15Dynamics

4Adaptability or versatility

If many different parts are used to cover all combinations of jaw widths and guide element positions, then all variations can be accommodated, but the risk of confusion and incorrect installation increases

Engineering Contradiction:
Improvecoverage of all variationsVSAvoidrisk of incorrect installation
Core Design Contradiction:
Adaptability or versatilityVSReliability

Solution Approach 1:

The cage support is designed as a universal component with standardized connection interfaces that can accommodate multiple guide element variants and positions. Rather than having a unique cage support for each combination of jaw width and guide element position, a single cage support design can serve multiple configurations. This universality reduces the total number of different parts, minimizing confusion and the risk of incorrect installation while maintaining the ability to accommodate all necessary variations through the combination of standardized cage supports with different guide element attachments.

Inventive Principle:
Principle #6Universality (Multi-functionality)

Data Source

PatentEP2239354B1Cage device for a stretcher of a textile machine
Publication Date: 2012.05.16 SPINDELFABRIK SUESSEN GMBH
  • EP2239354B1 patent drawingFigure 1A~1B
  • EP2239354B1 patent drawingFigure 2
  • EP2239354B1 patent drawingFigure 3A~3B

AI summary

The separator aggregate (1) comprises a separator (3) for guiding two guide aprons looping a pressure roller twin (2). An exchangeable separator support (13) and an exchangeable guiding element (14) for guiding a fiber composite are provided. The separator support and the guiding element are detachably fastened with each other, and are attached to a separator. Independent claims are also included for the following: (1) a guiding element for a separator aggregate; and (2) a separator support for a separator aggregate.