Modular Stackable Screen Decks for Easy Replacement and Expansion

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Solution Overview

Problem

Existing vibrating screen machines face challenges in efficiently installing, replacing, and increasing the number of screen decks due to structural limitations and space constraints, requiring complete disassembly and reassembly of upper decks to access lower decks.

Innovation Solution

A modular stackable screen deck system with integrated vertical sidewalls that allows for easy installation and replacement of screen decks without sliding between separate vertical walls, enabling additional decks to be added to existing machines.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Stability of the object's composition

If traditional multi-deck screens use separate vertical structural side walls with decks bolted between them, then structural stability is improved, but deck replacement and addition become complex and time-consuming

Engineering Contradiction:

Improvestructural stabilityVSAvoiddeck replacement ease

Core Design Contradiction:

Stability of the object's compositionVSEase of repair

Solution Approach 1:

The screen structure is divided into separate modular components: independent screen decks with integrated sidewalls that can be individually removed and replaced without affecting other decks. Each deck assembly becomes a self-contained module that simplifies maintenance operations.

Inventive Principle:

Principle #1Segmentation

Solution Approach 2:

The design allows the screen deck configuration to be dynamically adjusted by adding or removing individual deck assemblies. The sidewalls are designed to accommodate variable numbers of decks, enabling the structure to adapt to different operational requirements without complete disassembly.

Inventive Principle:

Principle #15Dynamics

2Strength

If decks are bolted between two vertical structural side walls, then structural support is improved, but the number of decks is limited by space constraints

Engineering Contradiction:

Improvestructural supportVSAvoidnumber of decks

Core Design Contradiction:

StrengthVSAdaptability or versatility

Solution Approach 1:

The sidewall structure and screen decks are merged into integrated assemblies where the sidewalls are attached directly to each deck. This eliminates the need for separate vertical walls spanning the entire height, allowing decks to be stacked with greater flexibility and increasing the potential number of decks.

Inventive Principle:

Principle #5Merging (Combining)

Solution Approach 2:

Instead of constraining decks between two vertical walls (one-dimensional constraint), the design allows decks to extend outward from individual sidewall assemblies (three-dimensional arrangement). This dimensional change enables additional decks to be added without being limited by the spacing between two fixed vertical walls.

Inventive Principle:

Principle #17Another dimension (Dimensionality change)

3Volume of moving object

If limited space exists between decks, then vertical compactness is improved, but access to lower decks requires complete disassembly of upper decks

Engineering Contradiction:

Improvevertical compactnessVSAvoiddeck access ease

Core Design Contradiction:

Volume of moving objectVSEase of operation

Solution Approach 1:

Each screen deck is segmented into a self-contained assembly with its own sidewalls and support structure. This segmentation allows individual decks to be accessed and removed independently, eliminating the need to disassemble upper decks to reach lower ones, while maintaining compact vertical spacing.

Inventive Principle:

Principle #1Segmentation

4Stability of the object's composition

If traditional designs require complete unbolting and lifting of multiple decks, then structural integrity is maintained, but installation time and labor increase

Engineering Contradiction:

Improvestructural integrityVSAvoidinstallation efficiency

Core Design Contradiction:

Stability of the object's compositionVSProductivity

Solution Approach 1:

The design enables dynamic reconfiguration of the screen by allowing individual deck assemblies to be quickly installed or removed. The sidewall-integrated design means each deck can be independently positioned and secured, dramatically reducing installation time while maintaining structural integrity through standardized connection points.

Inventive Principle:

Principle #15Dynamics

Data Source

PatentUS20250256304A1Method and apparatus for creating and maintaining a vibrating screening machine by utilizing stackable screen decks

Publication Date: 2025.08.14 TEREX USA LLC

AI summary

A configurable modular stackable multi-deck material processing screening machine which includes a plurality of stackable screen deck sections, each having a first side structural vertical wall segment, and a stackable drive section having a stackable drive section first side structural vertical wall segment 1201. Where all of the stackable screen deck sections can be installed, removed and replaced without need to lower or lift a screen deck between vertical structural walls that support a draft shaft with eccentrics coupled thereto and past a portion of these vertical structural walls that previously supported a screen deck. Also each of the first side structural vertical wall segments, and the stackable drive section first side structural wall segment are not inseparable portions of a wall that supports a drive shaft and eccentrics.