Concrete Mold Core Detachable Connection for Breakage Prevention
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Solution Overview
Problem
Existing mold core connections in concrete block production often lead to breakage of core holder strips during mechanical production cycles, necessitating the replacement of both the core holder bar and attached mold cores.
Innovation Solution
A detachable connection between the mold core and core holder bar using connecting elements that pass through the core holder bar and retaining plates, preferably designed as screw elements with tool-accessible ends, reduces the risk of breakage and allows for the replacement of only the damaged component.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If mold cores are welded to core holder strips, then the connection is strong and stable, but the core holder strips are prone to breakage during shaking phases and require complete replacement when damaged
Solution Approach 1:
The connection between mold core and core holder strip is segmented into separate replaceable components: the mold core with its retaining plates and the core holder strip are connected via detachable connecting elements (screws or nuts). This allows the mold core to be separated from the core holder strip, enabling independent replacement of either component without replacing the entire assembly, thus resolving the contradiction between connection strength and durability.
2Reliability
If connecting elements pass through both sides of the core holder bar and retaining plates, then the connection is secure and detachable, but the tool attachment requires accessibility from both sides which may be limited by the mold core geometry
Solution Approach 1:
The connecting elements (screws or nuts) are nested within cavities formed in the mold core base body. These cavities provide protected spaces where the connecting elements can be positioned and secured. The cavities are accessible through openings in the side walls of the base body, allowing tool attachment from one side while the connecting elements remain protected within the nested cavity structure. This resolves the contradiction by providing secure connection while maintaining tool accessibility through strategically positioned openings.
Data Source
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AI summary
The invention relates to a mold for producing molded concrete blocks, comprising at least one mold core FK on a core holder strip KL for forming recesses in the molded concrete blocks, wherein advantageous embodiments of the mold core FK and the connections thereof to the core holder strip KL are disclosed.