Pressing Device Compensating Element Punch Deformation
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Solution Overview
Problem
Current pressing devices for ceramic products face issues with deformations of punches during the pressing of smaller formats, leading to non-planar surfaces and increased costs for format changes.
Innovation Solution
A pressing device with a compensating element interposed between the upper and lower punches, which provides uniform support and prevents deformation by occupying zones not occupied by the load, allowing for synchronized movement of belts and adjustable configuration to accommodate various formats.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If the pressing device uses a fixed upper punch for large format products, then it can achieve sufficient pressing force and planar surfaces, but it cannot accommodate smaller format products without causing punch deformation and non-planar surfaces
Solution Approach 1:
The upper punch is divided into multiple independent pressing elements (first pressing element, second pressing element, etc.) that can be independently replaced. Each pressing element corresponds to a specific format size, allowing the device to adapt to different product formats while maintaining pressing precision through the use of appropriately sized elements.
Solution Approach 2:
The pressing device changes the physical parameters of the pressing interface by selecting different pressing elements with varying dimensions. When pressing smaller format products, smaller pressing elements are used to ensure that the pressing force is properly distributed and that the punch surfaces remain planar, avoiding the deformation issues that occur with mismatched punch sizes.
2Manufacturing precision
If the pressing device replaces the entire upper punch to change formats, then it can maintain pressing precision, but it increases cost and complexity
Solution Approach 1:
The upper punch is segmented into a reusable support structure and interchangeable pressing elements. Only the pressing elements need to be replaced when changing formats, not the entire upper punch assembly. This segmentation reduces both cost and complexity while maintaining pressing precision.
Solution Approach 2:
The support structure of the upper punch is designed as a universal component that can accommodate multiple different pressing elements. This multi-functional design allows a single support structure to serve various format requirements through element replacement, reducing the need for multiple complete punch assemblies.
3Manufacturing precision
If the pressing device uses a compensating element to prevent punch deformation, then it can maintain surface planarity for small format products, but it adds device complexity
Solution Approach 1:
A compensating element is introduced as an intermediary component between the pressing element and the support structure. This compensating element absorbs dimensional mismatches and prevents deformation of the pressing surfaces when pressing smaller format products, thereby maintaining surface planarity without requiring complex structural modifications to the main device.
Data Source
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AI summary
A format compensator for a pressing device, comprising a compensating element (7) of a given thickness (S), structured so as to be interposed between the lower punch and the upper punch (10,1 1) of a pressing device so as to be arranged in contact with the punches (10, 11) during pressing.