Scrap Cutting Apparatus with Perpendicular Blade Segmentation
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing cutting apparatuses are inefficient and costly for cutting large scrap material pieces into smaller, manageable pieces, often resulting in unstable and bulky material, and previous automation solutions are either time-consuming or prone to jamming.
Innovation Solution
A scrap cutting apparatus with a movable cutting unit and feeding device that allows for variable and programmable cutting steps, using two sets of angled blades to efficiently cut scrap material into smaller pieces, reducing the need for space and minimizing unnecessary cutting operations.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Extent of automation
If a rotating disc cutter is used to cut large sheets, then cutting automation is achieved, but the result is long narrow strips that may jam and require multiple feeding operations
Solution Approach 1:
The cutting operation is segmented into two independent directions: a first set of blades cuts in a first direction while a second set of blades cuts in a second direction perpendicular to the first. This segmentation allows the material to be cut into manageable pieces in both dimensions simultaneously, preventing long strip formation and reducing jamming risk while maintaining automation.
2Extent of automation
If a rotating disc cutter is used, then cutting automation is achieved, but time is consumed by multiple feeding operations
Solution Approach 1:
The cutting process is divided into two perpendicular cutting directions executed simultaneously by separate blade sets. This segmentation enables the material to be cut into final-sized pieces in one operation rather than requiring sequential feeding for length and width cuts, significantly reducing the time lost to multiple feeding operations while maintaining automated operation.
3Productivity
If cutting blades of complex shape are used, then cutting efficiency is improved, but the cost for blade and sharpening becomes very high
Solution Approach 1:
Instead of using a single complex-shaped blade, the invention segments the cutting function into two separate sets of simpler blades oriented perpendicular to each other. This segmentation allows each blade set to have a simpler, more standardized geometry that is easier and less costly to manufacture and sharpen, while collectively achieving the same cutting efficiency as a complex blade would provide.
4Adaptability or versatility
If manual cutting of large scrap is performed, then flexibility is maintained, but the process becomes strenuous and space-demanding
Solution Approach 1:
The manual cutting operation is segmented and automated through two perpendicular blade sets that can be independently controlled. This segmentation into automated cutting directions maintains the flexibility to handle various scrap sizes and orientations while eliminating the strenuous manual effort and reduced space requirements associated with manual cutting operations.
Data Source
Figure 1
Figure 2
Figure 3
AI summary
A cutting apparatus (1) comprises cutting blades (11a, 11b, 12a, 12b), whereof at least one (12a, 12b) is movable. The cutting apparatus (1) also comprises a feeding device (2) for feeding a sheet of material towards the cutting blades (11a, 11b, 12a, 12b). The cutting blades (11a, 11b, 12a, 12b) are arranged on a cutting unit (3), which is movable back and forth along one edge of the sheet of material.