Vibrating Press Moving Stops for Wear Reduction
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Solution Overview
Problem
Vibrating presses for construction element production face issues with excessive wear and complex adjustments due to repeated shocks between stops and the support during the filling and compacting phases, leading to maladjustments and reduced lifespan of components.
Innovation Solution
The vibrating press incorporates moving stops that can be shifted between a retracted position during filling and a working position during compacting, using hydraulic jacks or elastic elements to ensure precise positioning and minimize contact, thereby reducing wear and simplifying adjustments.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If the stops are positioned to limit downward movement of the support during compacting, then the compactness quality is improved, but excessive wear and maladjustments occur due to repeated shocks
Solution Approach 1:
The stops are made movable rather than fixed, allowing them to adapt their position dynamically. During filling, stops are retracted to avoid contact; during compacting, they move to working position to provide shock effect and limit downward movement. This dynamic adjustment resolves the contradiction by enabling quality compactness while preventing excessive wear through controlled positioning.
Solution Approach 2:
The stops operate in periodic cycles: retracted during filling phase, then moved to working position during compacting phase. This periodic action allows the system to alternate between avoiding contact (reducing wear) and providing necessary shock effect (improving compactness), thus resolving the contradiction between quality and reliability.
2Productivity
If the stops are positioned close to the table surface to provide shock effect, then compacting efficiency is improved, but the support lifespan is greatly reduced due to repeated shocks
Solution Approach 1:
The stops transition from static to dynamic positioning. They are retracted during filling to prevent premature contact and wear, then moved to optimal working position during compacting to provide necessary shock effect for efficient compaction. This dynamic control enables high productivity during compacting while extending support lifespan by avoiding unnecessary shocks during filling.
3Device complexity
If the stops are fixed in position, then the structure is simple, but complex adjustments are required to adapt to different manufacturing parameters
Solution Approach 1:
The stops are made dynamically adjustable through hydraulic or elastic actuation systems. While this adds some structural complexity, it eliminates the need for manual repositioning and complex adjustments for different manufacturing parameters. The automated dynamic adjustment simplifies operation and adapts to varying requirements without requiring operator intervention.
Solution Approach 2:
Manual mechanical adjustment of stop positions is replaced with automated hydraulic or elastic actuation systems. This substitution reduces the complexity of manual adjustments and operations, allowing the stops to adapt automatically to different manufacturing parameters through controlled movement rather than physical repositioning.
4Manufacturing precision
If the stops remain in working position throughout the cycle, then compacting is effective, but excessive wear occurs during the filling phase
Solution Approach 1:
The stops operate periodically: retracted during filling phase to avoid contact and wear, then moved to working position during compacting phase to provide effective shock effect. This periodic on-demand operation ensures compacting effectiveness is maintained while minimizing wear by eliminating unnecessary contact during the filling phase.
Solution Approach 2:
The stops are retracted in advance during the filling phase before compacting begins. This preliminary retraction prevents wear during filling, and the stops are then positioned at the appropriate time for compacting, ensuring effectiveness while minimizing unnecessary wear through timely positioning adjustments.
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 solution eliminates the need for additional actions to manage stop-support contact, reducing wear and operational disturbances, ensuring precise adjustments and maintaining the quality of construction elements while extending the lifespan of vibratory components.
Implementation Method 1
the displacement means comprise at least one hydraulic jack
Implementation Method 2
the displacement means comprise elastic elements
Implementation Method 3
a vibration being applied to the table during the filling and compacting phases
Data Source
Figure 1~3
Figure 4~5
AI summary
The press has a hydraulic jack (15) moving a stop of a horizontal rod shaped bracket (10) with respect to a frame (4) and supporting the frame and a rigid cadre (14) connected to the stop. The jack moves the stop according to vertical movement between a retracted position in which a construction element support (3) laid on a vibrating table (2) does not enter in contact with the stop during a cycle of vibration movement of the table and a working position in which the support comes in contact with the stop during a part of the cycle. Elastic elements stabilize the cadre in a working position. An independent claim is also included for a method of producing a construction element.