Vibrating Press Demolding Method for Construction Elements
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Solution Overview
Problem
The demolding phase in traditional vibrating press operations often results in degradation of construction elements due to the risk of crushing, as the molding plate is subjected to vibration forces without adequate control, leading to dimensional issues and damage during the release process.
Innovation Solution
A method and system for demolding that includes a vibration system with a biasing element to adjust the molding plate's position beyond the reference support, combined with a compression actuator that applies a compressive force followed by a controlled release, allowing the molding plate to be held against a reference support, thereby preventing the construction element from being crushed during demolding.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If the vibration system is allowed to move freely under return element action, then the molding plate can be positioned beyond the reference support for complete demolding, but the construction element risks being crushed without proper support
Solution Approach 1:
The compression actuator applies a preliminary compressive force to the construction element before demolding begins, creating a counteracting support force that prevents crushing when the molding plate moves beyond the reference support position under vibration system action
Solution Approach 2:
The compression actuator serves as an intermediary element between the construction element and the molding plate, providing controlled support during the demolding process to prevent direct crushing while allowing plate movement
2Manufacturing precision
If compression force is applied continuously, then the construction element maintains dimensional stability, but the molding plate cannot move freely for demolding
Solution Approach 1:
The compression force is applied periodically - maintained during positioning phases for dimensional stability, and controlled/reduced during demolding phases to allow molding plate movement, creating a rhythmic pattern of force application that satisfies both requirements
Solution Approach 2:
The compression actuator dynamically adjusts its force output based on the process phase, providing high compressive force during positioning to ensure dimensional stability, and modulating the force during demolding to enable molding plate movement while maintaining element integrity
3Object-affected harmful factors
If the molding plate is blocked during demolding, then the construction element is protected from crushing, but higher compressive forces are needed that complicate the system
Solution Approach 1:
The compression actuator performs multiple functions - it provides compressive support during demolding to prevent crushing, maintains dimensional stability during positioning, and enables controlled force modulation - replacing the need for separate blocking mechanisms and reducing overall system complexity
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
This approach ensures the preservation of the construction element's dimensions and properties by maintaining the molding plate against the reference support during demolding, preventing damage and facilitating the removal of the element in its final form while allowing for higher compressive forces to be applied, suitable for a wider range of materials including non-traditional aggregates.
Implementation Method 1
a vibration system arranged to subject the molding plate and the mould, and therefore the construction element, to vibrations comprising in particular a component oriented along a demolding direction
Implementation Method 2
a compression actuator configured to exert a compression force on the construction element
Data Source
Figure 1
Figure 2
Figure 3a~3b
AI summary
The present invention relates to a method for demolding a construction element (5) from a vibrating press (1), the vibrating press (1) comprising: - a mold (9), defining a receiving location (7, 7') for a construction element (5), the mold (9) being through-molding so as to allow demolding of the construction element (5) in a demolding direction (DM); - a molding plate (11), disposed below the mold (9) and arranged to be subjected to a vibration movement comprising at least one component in the demolding direction (DM), the molding plate (11) being subjected to an action of a return element; - a compression actuator (16) configured to exert a compressive force on the construction element (5);The demolding process comprises: - a step of placing the vibrating press (1) in a configuration in which the construction element (5) is disposed in the receiving position (7, 7') and in which the compression actuator (16) is disposed in a compression position, in contact with the construction element (5) and subjects the construction element (5) to a compression force; - a step of clamping the molding plate (11) in the demolding direction (DM), against the action of the return element; - a step of releasing the compression force exerted by the compression actuator (16) on the construction element (5); - a step of locking the compression actuator (16) in a position in contact with the construction element (5); - a step of moving the mold (9) in the demolding direction (DM).