Interchangeable End Pieces for Step Conveyor Width Adjustment

Resolve Bottlenecks,
Find Innovative Solutions
Generate Solutions

Solution Overview

Problem

Conventional step conveyors are inflexible and require significant effort to adapt to different parts with varying shapes and sizes, limiting their usability in applications with changing production processes or in fields like packaging and medical sectors where diverse parts need to be processed.

Innovation Solution

A step conveyor design featuring interchangeable end pieces and support components with adjustable angles and surfaces, allowing for easy conversion without modifying the actuators or movement mechanics, enabling adaptation to different part sizes and shapes by changing the conveying surface profile and step width.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Adaptability or versatility

If the step conveyor uses a fixed conveyor surface design, then the structure is simple and reliable, but it cannot adapt to different part sizes and shapes

Engineering Contradiction:
Improveadaptability to different part sizes and shapesVSAvoidstructure complexity
Core Design Contradiction:
Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The conveyor surface is segmented into modular components: interchangeable end pieces with different widths and profiles, and removable support components. This segmentation allows the conveyor to be reconfigured for different part sizes without redesigning the entire system, resolving the contradiction between adaptability and structural simplicity.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The conveyor surface transitions from a fixed design to a dynamic, reconfigurable system where end pieces and support components can be easily swapped. This dynamic capability enables the same physical structure to adapt to different conveying requirements, improving versatility while maintaining operational simplicity.

Inventive Principle:
Principle #15Dynamics

2Adaptability or versatility

If the step conveyor is designed for specific part geometry, then separation and alignment performance is optimized, but it cannot handle varied production processes

Engineering Contradiction:
Improveusability in varied production processesVSAvoidseparation and alignment reliability
Core Design Contradiction:
Adaptability or versatilityVSReliability

Solution Approach 1:

The conveyor system achieves universality through interchangeable end pieces with different surface profiles and widths, plus removable support components. A single conveyor platform can perform multiple functions by changing these components, enabling reliable separation and alignment for various part geometries across different production processes.

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

Solution Approach 2:

The system allows changing key geometric parameters (step width, surface profile, support component position) without affecting the fundamental conveying mechanism. This parameter flexibility maintains separation and alignment reliability while adapting to varied production requirements.

Inventive Principle:
Principle #35Parameter changes

3Productivity

If the conveyor surface width is increased to handle larger parts, then more parts can be conveyed simultaneously, but separation efficiency decreases for smaller parts

Engineering Contradiction:
Improvenumber of parts conveyed simultaneouslyVSAvoidseparation and alignment precision
Core Design Contradiction:
ProductivityVSManufacturing precision

Solution Approach 1:

The conveyor surface is divided into adjustable segments (end pieces and support components) that can be independently configured. This allows the width to be reduced for smaller parts, maintaining separation precision while still accommodating multiple parts through strategic placement of support components.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The conveyor surface width becomes dynamically adjustable rather than fixed. The system can expand for larger parts to increase productivity or contract for smaller parts to maintain separation precision, adapting the physical dimensions to match the conveying requirements.

Inventive Principle:
Principle #15Dynamics

4Adaptability or versatility

If the step conveyor requires modification of actuators to adapt to new parts, then it can handle different geometries, but the conversion effort and time increase

Engineering Contradiction:
Improvecapability to handle different geometriesVSAvoidconversion time
Core Design Contradiction:
Adaptability or versatilityVSLoss of time

Solution Approach 1:

The conveyor is segmented into a fixed actuator system and interchangeable surface components. This segmentation isolates the modification requirement to only the surface components (end pieces and support components) rather than the entire system, dramatically reducing conversion time and effort while maintaining geometry adaptability.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The adaptable components (end pieces and support components) are extracted from the fixed actuator system. This extraction allows the actuators to remain unchanged while the interchangeable components provide the necessary geometric variations, eliminating the need for actuator modification and reducing conversion time.

Inventive Principle:
Principle #2Taking out (Extraction)

Data Source

PatentEP4032836B1Step conveyor, step conveyor system and method for changing the step width of a step conveyor
Publication Date: 2024.08.21 AFAG HLDG AG
  • EP4032836B1 patent drawingFigure 1
  • EP4032836B1 patent drawingFigure 2~3
  • EP4032836B1 patent drawingFigure 4

AI summary

Step conveyor (1) for conveying parts (2) from a storage container (3) to a target position (4) located above the storage container (3), wherein the step conveyor (1) comprises at least one stationary plate (6, 7) and a conveying surface (8, 9) associated with each stationary plate (6, 7), which is angled to a side surface (10, 11) of the stationary plate (6, 7) and is movable by an actuator (12) of the step conveyor (1) with respect to the stationary plate (6, 7) in order to lift the parts (2) on the conveying surface (8, 9) along this side surface (10, 11) in the conveying direction (17), wherein the conveying surface (8, 9) or at least one of the conveying surfaces (8, 9) is formed by an end piece (13, 14) which is detachably attached to a conveying plate (15, 16) which is moved by the actuator (12) is displaceable, wherein the end piece (13, 14) extends the conveyor plate (15, 16) in the conveying direction (17).