Connecting Plate Elastic Deformation in Mold Oscillating Apparatus
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Solution Overview
Problem
The existing mold oscillating apparatus experiences torsional deformation and stress due to the limited flexural deformation of the connecting beam, leading to potential breakage, especially in large-sized molds, which shortens the beam's lifespan and makes replacement economically uneconomical.
Innovation Solution
A mold oscillating apparatus with a connecting plate that absorbs lateral displacement through elastic deformation, uniformly deflecting from one end to the other, reducing torsional deformation and stress, and featuring a design with thick and thin plate portions for enhanced strength and deformability, supported by a base frame and oscillation mechanisms with eccentric shafts.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If a connecting beam is used to interconnect moving bearing housings in the mold oscillating apparatus, then the mold table can be oscillated in the up and down direction, but torsional deformation and stress are generated in the connecting beam due to limited flexural deformation, leading to potential breakage
Solution Approach 1:
The connecting beam is divided into multiple segments connected by joints, allowing each segment to independently absorb lateral displacement through flexural deformation. This segmentation enables uniform deformation distribution along the entire beam length, preventing torsional deformation and reducing stress concentration that would otherwise lead to breakage.
Solution Approach 2:
The connecting beam is designed with dynamic flexibility, allowing it to deform elastically under lateral displacement loads. The beam's flexural rigidity is optimized to enable continuous deformation from one end to the other, transforming the static rigid structure into a dynamic system that adapts to oscillatory forces without generating harmful torsional stresses.
2Length of moving object
If the connecting beam is made longer to support larger molds, then the apparatus can handle larger sized molds, but the central part of the connecting beam is not flexed at all, reducing its ability to absorb lateral displacement
Solution Approach 1:
The connecting beam is segmented into multiple sections with joints distributed along its length. This segmentation ensures that lateral displacement forces are distributed across multiple flexural zones rather than concentrating at the center, enabling the entire beam length to participate in absorbing lateral displacement even when the beam is very long.
Solution Approach 2:
The connecting beam is designed with non-uniform flexural characteristics, where each segment has optimized local rigidity and flexibility properties. The joints and supporting structures are strategically positioned to create localized flexural zones that actively participate in displacement absorption throughout the entire beam length, preventing the central part from becoming rigid and non-flexible.
3Reliability
If the connecting beam is exchanged before breakage to prevent failure, then the apparatus can continue operating, but the replacement is extremely uneconomical and difficult due to the large size of the connecting beam
Solution Approach 1:
The connecting beam is designed as a modular segmented structure where individual segments can be independently replaced rather than replacing the entire beam. This segmentation dramatically reduces the size and cost of replacement parts, making maintenance economically feasible and operationally simple compared to replacing a monolithic large-sized beam.
Solution Approach 2:
The segmented design enables selective replacement of only the worn or damaged segments while retaining the rest of the beam structure. This partial replacement approach minimizes material waste and reduces the economic burden of maintenance, transforming the previously uneconomical full-beam replacement into a manageable segment-level maintenance operation.
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
The solution prolongs the life of the connecting plate by reducing stress and making it easier to replace, while maintaining the mold table's stability and oscillation quality, and allows for efficient operation with reduced power consumption.
Implementation Method 1
the connecting plate absorbs the lateral displacement regulated by the oscillation direction regulating means with elastic deformation
Implementation Method 2
a moving bearing housing fitted onto both end parts of a drive shaft through a bearing and moved by eccentric rotation of the drive shaft
Data Source
AI summary
In a mold oscillating apparatus according to the present invention, a connecting plate for interconnecting a moving bearing housing rotated by eccentric rotation of an eccentric shaft and a mold table oscillated by rotation of the moving bearing housing is supported by the mold table from one end of an upper end part thereof to the other end, and supported by the moving bearing housing from one end of a lower end part thereof to the other end. By such a configuration, torsional deformation of the connecting plate is prevented and a stress generated in the connecting plate is eased.