3D Molding Stage With Retractable Slides for Fixing and Release
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Solution Overview
Problem
Existing three-dimensional molding stages have uniform inclination directions for through holes and protruding parts, leading to inconsistent fixing properties and potential issues with object separation.
Innovation Solution
A molding stage with intersecting through holes and slide members that allow for controlled movement and orientation of protruding parts, combined with a discharge unit and supply device for precise material deposition and fixation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If the inclination directions of all through holes are uniform, then the structure is simple and easy to manufacture, but the fixing property becomes inconsistent with places having acute angles and obtuse angles
Solution Approach 1:
The patent applies local quality by varying the inclination direction of through holes based on their specific location on the molding stage. Through holes are categorized into different regions (first region with first inclination direction, second region with second inclination direction) where each region has optimized inclination angles suited to its geometric characteristics. This ensures that each local area achieves optimal fixing performance rather than applying a uniform inclination throughout.
Solution Approach 2:
The patent employs asymmetry by deliberately creating different inclination directions for through holes in different regions. Rather than symmetric uniform inclination, the system uses asymmetric inclination patterns where through holes in the first region have different angles than those in the second region, optimizing the interaction between protruding parts and through holes at various locations.
2Strength
If protruding parts are used to enhance fixing property, then the molding object is securely fixed during shaping, but the separation of the molding object becomes difficult after shaping
Solution Approach 1:
The patent applies dynamics by making the protruding parts movable rather than fixed. The protruding parts can dynamically change their position - extending into through holes during the shaping process to provide strong fixing, and retracting after shaping to enable easy separation. This dynamic behavior resolves the contradiction between strong fixation and easy removal.
Solution Approach 2:
The patent uses preliminary action by pre-positioning protruding parts in specific regions before the molding process begins. The protruding parts are arranged in advance in first and second regions corresponding to different inclination directions of through holes, ensuring optimal fixing is ready before shaping starts, and can be retracted when needed for separation.
Data Source
AI summary
A molding stage includes a base which includes a molding surface, in which a first through hole penetrating the base along a first intersecting axis crossing a vertical axis perpendicular to the molding surface and a second through hole penetrating the base along a second intersecting axis crossing the vertical axis and the first through hole are formed, a first slide member which is inserted into the first through hole, and which is configured to slide along the first intersecting axis between a first protruding position where the first slide member protrudes from the first through hole and a first housed position where the first slide member is housed in the first through hole, and a second slide member which is inserted into the second through hole, and which is configured to slide along the second intersecting axis between a second protruding position where the second slide member protrudes from the second through hole and a second housed position where the second slide member is housed in the second through hole.