Vibrating Screen Panel Securing Device with Thread-Forming Stub

Resolve Bottlenecks,
Find Innovative Solutions
Generate Solutions

Solution Overview

Problem

Existing securing devices for vibrating screens, such as those described in U.S. Pat. Nos. 4,871,288 and 6,957,741, while functional, do not offer optimal performance for securely attaching and easily removable resiliently deformable panels, particularly in mineral ore separation processes.

Innovation Solution

A securing device comprising a body with a securing means, a hole for receiving a pin, and a stub for engaging a socket in the support frame, along with a flange for tightening, which allows for improved attachment and removal of screening panels by forming a thread upon screwing into the frame, enhancing the holding mechanism.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If existing securing devices are used to attach screen panels, then the panels can be held in place, but the attachment is not sufficiently secure and durable

Engineering Contradiction:
Improveattachment securityVSAvoidholding strength
Core Design Contradiction:
ReliabilityVSStrength

Solution Approach 1:

The securing device is divided into distinct functional components: a body portion, a securing means at the upper end, a hole for receiving a pin, and a stub at the lower end for engaging the support frame. This segmentation allows each component to perform its specific function optimally, with the stub providing strong engagement with the frame while the securing means provides secure attachment to the panel.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The stub is formed as a blank in which a thread is cut by the action of screwing the securing device into the socket in the frame. This preliminary threading action creates a secure threaded engagement before the securing device is fully installed, ensuring strong and reliable attachment from the outset.

Inventive Principle:
Principle #10Preliminary action

2Reliability

If screen panels are securely attached, then durability is improved, but removal and replacement becomes more difficult

Engineering Contradiction:
Improvepanel durabilityVSAvoidpanel removal ease
Core Design Contradiction:
ReliabilityVSEase of operation

Solution Approach 1:

The securing device is designed to provide dynamic attachment characteristics - strong and secure during operation, but easily removable when needed. The threaded stub engagement allows for easy screwing in and screwing out operations, while the securing means with pin reception provides stable holding during vibration and operation.

Inventive Principle:
Principle #15Dynamics

3Ease of manufacture

If simple securing mechanisms are used, then ease of manufacture is improved, but attachment performance is insufficient

Engineering Contradiction:
Improvedevice simplicityVSAvoidattachment performance
Core Design Contradiction:
Ease of manufactureVSReliability

Solution Approach 1:

Multiple securing functions are merged into a single integrated body structure. The body combines the securing means for panel engagement, the hole for pin reception, and the stub for frame engagement all in one component. This merging maintains ease of manufacture while achieving reliable attachment performance through the coordinated action of the integrated features.

Inventive Principle:
Principle #5Merging (Combining)

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 solution provides a more secure and efficient method for attaching and removing screening panels, improving performance by forming a thread upon screwing into the frame, thus enhancing the durability and ease of replacement of screen panels in vibrating screens.

Implementation Method 1

the stub is formed as a blank in which a thread is cut by the action of screwing the securing device into the socket in the frame

Methodology Applied
Scientific EffectScrew: Screw

Implementation Method 2

a securing means at an upper part of the body for mating with a complementary securing cavity on the screening panel

Methodology Applied
Scientific EffectFriction: Friction

Implementation Method 3

a hole formed in the upper part of the body adjacent the securing means for receiving a pin of the screening panel

Methodology Applied
Scientific EffectMechanical Fastener: Mechanical Fastener

Data Source

PatentUS8720697B2Screen securing device
Publication Date: 2014.05.13 F L SMIDTH & CO AS
  • US8720697B2 patent drawing
  • US8720697B2 patent drawing
  • US8720697B2 patent drawing

AI summary

A securing device for securing a screening panel to a support frame of a vibrating screen assembly. The securing device has a body with a securing means at one end and a stub at the lower end. The securing means is shaped to mate with a complementary securing cavity in the screening panel and has a hole that receives a pin located in the securing cavity. The stub may be threaded to engage the support frame.