Bale Press Door Closing System Using Self-Actuating Latch Gate

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Solution Overview

Problem

Standard double-box bale presses require manual operation for door closing, posing safety hazards due to high compression forces that can inadvertently open doors, necessitating multiple operators and increasing the risk of injury.

Innovation Solution

A door closing system featuring a latch gate hingedly coupled to a second opening door, with a guide member and actuation device, including a spring or air cylinder, that allows for automatic and controlled closure of both doors using a receptacle guide and guide members, ensuring safe and efficient operation.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If manual door closing is used, then operators can control door closure, but safety hazards increase due to high compression forces that can inadvertently open doors

Engineering Contradiction:
Improvedoor closure safetyVSAvoidoperator injury risk
Core Design Contradiction:
ReliabilityVSObject-affected harmful factors

Solution Approach 1:

The door closing system is self-actuating through the latch gate mechanism that automatically closes and secures the doors using the compression force from the baling press itself, eliminating the need for manual operator intervention during the closing operation

Inventive Principle:
Principle #25Self-service

Solution Approach 2:

The latch gate acts as an intermediary mechanism between the compression force and the door closure, transferring and controlling the force to reliably close and secure the doors without direct operator contact

Inventive Principle:
Principle #24Intermediary (Mediator)

2Ease of operation

If manual door closing is used, then door closure can be performed, but multiple operators are required increasing system complexity

Engineering Contradiction:
Improvedoor closing operationVSAvoidnumber of operators required
Core Design Contradiction:
Ease of operationVSDevice complexity

Solution Approach 1:

The door closing system performs the closing operation autonomously through the latch gate mechanism that utilizes the existing compression force, eliminating the need for multiple operators to manually close and secure the doors

Inventive Principle:
Principle #25Self-service

3Object-affected harmful factors

If automatic door closing system is implemented, then operator safety is improved, but device complexity increases due to additional components

Engineering Contradiction:
Improveoperator injury riskVSAvoiddoor closing system components
Core Design Contradiction:
Object-affected harmful factorsVSDevice complexity

Solution Approach 1:

The latch gate serves as a simple intermediary mechanism that converts the existing compression force into door closing action, providing automatic door closure without requiring complex additional actuation systems

Inventive Principle:
Principle #24Intermediary (Mediator)

Solution Approach 2:

The system uses the existing compression force from the baling press to automatically close and secure the doors through the latch gate mechanism, eliminating the need for separate power sources or complex actuation systems

Inventive Principle:
Principle #25Self-service

Data Source

PatentUS8485092B2Closing system for pressing chambers
Publication Date: 2013.07.16 H W J DESIGNS FOR AGRIBUSINESS INC
  • US8485092B2 patent drawing
  • US8485092B2 patent drawing
  • US8485092B2 patent drawing

AI summary

A door opening assembly of a bale press including a first arm member having a first end and a second end hingedly coupled at the first end to a first door. The door opening assembly also includes a second arm member having a first end and a second end hingedly coupled at the first end to a second door. An actuator is coupled to the second end of the first arm member and the second end of the second arm member to cause the first arm member to displace the first door and the second arm member to hold the second door from being displaced. A further feature includes a door closing system involve a guide member and a guide receptacle for moving a latch gate to close the door.