Toothed Positionable Block Assembly for Precise Grid Table Alignment
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Solution Overview
Problem
Conventional pin and stop block implementations on gridded tables lack secure attachment and precision in positioning, leading to unwanted movement and imprecise alignment of workpieces during application processes.
Innovation Solution
Positionable block assemblies featuring a block body with a tooth surface and a plate member with a matching tooth surface, allowing for interlocking and multiple positional engagement, along with pin slots and apertures for secure attachment to a grid surface, enabling precise and repositionable alignment of workpieces.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If conventional pin and stop block implementations are used on gridded tables, then the setup is simple and easy to manufacture, but the attachment is not secure and positioning precision is poor
Solution Approach 1:
The block assembly is divided into separate components: a block body with internal cavity, a plate member with engagement features, and pin slots. This segmentation allows each component to be optimized independently while working together to provide secure attachment and precise positioning.
Solution Approach 2:
The plate member is positioned within the internal cavity of the block body, creating a nested structure. The engagement features of the plate member interact with corresponding features in the block body to provide secure mechanical interlocking and stable attachment to the gridded table.
2Measurement precision
If conventional pin and stop block implementations are used, then the device is simple in structure, but the positioning precision and alignment accuracy are insufficient
Solution Approach 1:
The engagement features are designed with specific geometric characteristics including angled surfaces and complementary shapes that provide precise mechanical interlocking. These localized geometric features ensure accurate positioning and alignment while maintaining overall structural simplicity.
Solution Approach 2:
The engagement features are designed to self-align and self-lock when the block assembly is attached to the gridded table. The angled surfaces and complementary geometries automatically guide the components into their correct positions without requiring additional alignment tools or complex adjustment mechanisms.
3Stability of the object's composition
If conventional pin and stop block implementations are used, then the setup process is quick, but the workpiece alignment stability changes during work application
Solution Approach 1:
The engagement features are pre-designed with specific geometries that create inherent mechanical interlocking and resistance to movement. This preliminary design ensures that once the block assembly is attached to the gridded table, the workpiece alignment remains stable throughout the work application process without requiring continuous adjustment or reinforcement.
Data Source
AI summary
Positionable block assemblies are described. Example block assemblies include a block body with a tooth surface and a plate member with a tooth surface. The tooth surfaces of the plate member and the block body are engageable to interlock the plate member with the block body. Further, the block body is engageable with the plate member at multiple different positions to enable precise positioning of a positionable block assembly to achieve a variety of different working scenarios.


