Adjustable Dedusting Head for Strip Material Lines

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Solution Overview

Problem

Existing dedusting heads for strip material transformation lines are limited in their ability to adapt to different types and processing conditions, requiring multiple specific designs and increasing overall costs, while also facing challenges in efficiently removing dust and particles to prevent fire and explosion risks due to electromagnetic fields.

Innovation Solution

A dedusting head with adjustable suction and blowing ducts, featuring varying cross-section means and adjustable positions, allowing for universal compatibility with various strip materials and processing conditions, enabling fine-tuned dedusting efficacy and easy reconfiguration without the need for replacement.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If a dedusting head is specifically designed for a predefined strip material and processing condition, then dedusting efficiency is maximized, but device complexity and cost increase due to requiring multiple different dedusting heads for different applications

Engineering Contradiction:
Improvededusting efficiencyVSAvoidvariety of dedusting heads
Core Design Contradiction:
ReliabilityVSDevice complexity

Solution Approach 1:

The dedusting head is designed with adjustable components including the lower head body, upper head body, and air blade that can be repositioned along the sliding direction. The suction duct and blowing duct can be independently adjusted to adapt to different strip material types, thicknesses, and processing conditions, allowing a single dedusting head to serve multiple functions across various applications.

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

Solution Approach 2:

The dedusting head incorporates dynamic adjustability where the lower head body and upper head body can be moved relative to each other along the sliding direction. The air blade position is also adjustable, enabling the system to dynamically adapt its configuration based on the specific strip material and processing requirements, rather than being fixed for a single application.

Inventive Principle:
Principle #15Dynamics

2Reliability

If multiple specifically designed dedusting heads are used for different strip materials and processing conditions, then optimal dedusting performance is achieved for each case, but overall cost significantly increases

Engineering Contradiction:
Improvededusting efficiencyVSAvoidoverall cost
Core Design Contradiction:
ReliabilityVSEase of manufacture

Solution Approach 1:

The dedusting head is designed with adjustable components including the lower head body, upper head body, and air blade that can be repositioned along the sliding direction. The suction duct and blowing duct can be independently adjusted to adapt to different strip material types, thicknesses, and processing conditions, allowing a single dedusting head to serve multiple functions across various applications.

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

3Ease of manufacture

If a fixed configuration dedusting head is used, then manufacturing is simplified, but adaptability to different strip materials and processing conditions is reduced

Engineering Contradiction:
Improvemanufacturing simplicityVSAvoidadaptability to different materials
Core Design Contradiction:
Ease of manufactureVSAdaptability or versatility

Solution Approach 1:

The dedusting head incorporates dynamic adjustability where the lower head body and upper head body can be moved relative to each other along the sliding direction. The air blade position is also adjustable, enabling the system to dynamically adapt its configuration based on the specific strip material and processing requirements, rather than being fixed for a single application.

Inventive Principle:
Principle #15Dynamics

Applied Scientific Principles

This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.

Function Achieved in This Case

The dedusting head effectively adapts to different strip materials and processing conditions, optimizing dedusting efficiency, reducing costs, and minimizing fire and explosion risks by ensuring comprehensive dust removal, thus enhancing the safety and flexibility of the transformation line.

Implementation Method 1

Each of such transverse slits is adapted to generate an air blade flow extending transversely to the sliding direction of the strip material

Methodology Applied
Scientific EffectAir blade flow:

Implementation Method 2

the strip material itself and the ink are subjected to strong electromagnetic fields to conveniently charge them

Methodology Applied
Scientific EffectElectrostatic charging: Triboelectric Effect

Data Source

PatentEP4186601A1A dedusting head for a transformation line of a strip material
Publication Date: 2023.05.31 ACE SRL
  • EP4186601A1 patent drawingFigure 1
  • EP4186601A1 patent drawingFigure 2~3
  • EP4186601A1 patent drawingFigure 4

AI summary

A dedusting head (1) for a transformation line of a strip material (100), comprising a lower head body (10); an upper head body (50) associated with the lower head body (10) so as to form a passage (80) between said lower head body (10) and said upper head body (50), configured to allow said strip material (100) to slide in said passage (80) according to a predefined sliding plane (P) and a predefined sliding direction (S) belonging to said predefined sliding plane (P), said passage (80) defining a passage width (L) measured along the sliding plane (P) and orthogonally to the predefined sliding direction (S), and a passage height (A) measured in a direction orthogonal to the sliding plane (P); said lower head body (10) defining a lower body operating surface (11), and said upper head body (50) defining an upper body operating surface (51), wherein said lower body operating surface (11) and said upper body operating surface (51) face each other on opposite sides with respect to said sliding plane (P) and define said passage (80) therebetween; wherein at least one of said lower head body (10) and said upper head body (50) comprises at least one respective suction duct (12, 13, 52, 53) defining a rectilinear slit-shaped suction opening (14, 15, 54, 55) extending parallel to a longitudinal direction (DL) orthogonal to the predefined sliding direction (S) and parallel to the sliding plane (P), and at least one blowing duct (16, 56) defining a rectilinear slit-shaped blowing opening (17, 57) extending parallel to said longitudinal direction (DL); said suction opening (14, 15, 54, 55) and said blowing opening (17, 57) both being open in said operating surface (11, 51) of said at least one of said lower head body (10) and said upper head body (50) and facing said passage (80), said at least one suction duct (12, 13, 52, 53) being connectable to suction means to generate an air suction flow from said passage (80) to said at least one suction duct (12, 13, 52, 53) through said suction opening (14, 15, 54, 55), and said at least one blowing duct (16, 56) being connectable to blowing means to generate an air blowing flow from said at least one blowing duct (16, 56) to said passage (80) through said blowing opening (17, 57); suction cross-section varying means (1841, 1942, 5881, 5982) for modifying the value of the cross-section area of said suction opening (14, 15, 54, 55); blowing cross-section varying means (20, 60) for modifying the value of the cross-section area of said blowing opening (17, 57).