Blasting Container Cover Structure to Prevent Workpiece Jamming
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Solution Overview
Problem
Blasting containers face issues with pointed components that can get caught in openings, leading to damage and inefficient processing due to dimensional differences between workpieces and blasting medium.
Innovation Solution
A blasting container design with covers over openings to allow blasting medium to exit while preventing workpieces from jamming, using covers that are larger than the openings and form passages to ensure both effective medium discharge and component movement.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If openings in the drum wall are made large enough to allow blasting medium to flow off effectively, then blasting medium discharge is improved, but pointed workpieces can get caught in the openings and be damaged
Solution Approach 1:
The opening is segmented into two functional zones: an inner opening area that allows blasting medium passage and an outer cover area that prevents workpiece entry. The cover is spaced from the wall to create a passage region, dividing the opening structure into functional segments that independently handle medium discharge and workpiece protection.
Solution Approach 2:
The solution adds a spatial dimension by positioning the cover at a distance from the wall, creating a three-dimensional passage space. This transforms a two-dimensional opening problem into a three-dimensional flow path, allowing blasting medium to exit through the spaced gap while workpieces cannot penetrate the cover structure.
2Reliability
If openings are made small to prevent workpieces from getting stuck, then workpiece protection is improved, but blasting medium cannot be sufficiently removed from the processing space
Solution Approach 1:
The opening structure is segmented into the wall opening and the cover, with the spaced gap between them serving as a dedicated blasting medium passage. This segmentation allows the opening to be optimized for workpiece protection while the gap dimension is optimized for medium flow.
Solution Approach 2:
The cover acts as an intermediary element between the processing space and the external environment. It mediates the conflicting requirements by providing a barrier that workpieces cannot penetrate while allowing blasting medium to pass through the gap between the cover and the wall.
3Reliability
If covers are placed over openings to prevent workpiece jamming, then workpiece protection is improved, but device complexity increases
Solution Approach 1:
The cover can be implemented as a thin plate or sheet structure that is spaced from the wall. This thin-film approach provides the necessary protective function with minimal material and structural complexity, avoiding the need for complex mechanical components.
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
Ensures trouble-free blasting of components with varying dimensions by preventing jamming and maintaining uniform surface processing efficiency.
Implementation Method 1
They impact the component surfaces directly or indirectly as ricochets
Implementation Method 2
blasting medium...impact the component surfaces...in order to process the surfaces
Implementation Method 3
The workpieces are kept in motion and circulated by a rotation of the drum...the components change their position in the drum...sliding, tilting, rotating, falling, turning
Data Source
AI summary
A blasting container for blasting workpieces with blasting medium has a wall that is provided with outlet openings for blasting medium. Covers are located at the outer side of the wall above the openings.