Guillotine Cutter Stack Rotation for Single-Device Panel Cutting
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Solution Overview
Problem
Current methods require two sheet cutting machines arranged at right angles to cut cuboid stacks of sheets in transverse and longitudinal directions, necessitating the entire stack to be handled multiple times, which is inefficient.
Innovation Solution
A method using a single sheet cutting machine where the starting stack is advanced under the cutting blade multiple times, with partial stacks ejected and aligned to form a block-shaped total stack, rotated, and further cut into multiple panels using the same ejection device for both cutting and conveying, reducing the need for multiple machine operations and handling.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If two sheet cutting machines arranged at right angles are used to cut stacks in transverse and longitudinal directions, then cutting capability is improved, but device complexity and handling requirements worsen
Solution Approach 1:
A single sheet cutting machine is designed to perform both transverse and longitudinal cutting operations by rotating the stack 90 degrees between cuts. The machine becomes universal, capable of executing multiple cutting directions sequentially, thereby eliminating the need for two separate machines and reducing overall device complexity while maintaining full cutting capability
Solution Approach 2:
The system introduces dynamic repositioning of the stack through 90-degree rotation between cutting passes. This dynamic adjustment allows the same machine to adapt its cutting orientation, transforming a static single-function machine into a dynamic multi-function system that can handle both transverse and longitudinal cutting requirements
2Manufacturing precision
If the entire stack is handled multiple times across two machines, then cutting completeness is improved, but handling complexity and time consumption worsen
Solution Approach 1:
The patent merges the functions of two separate cutting machines into one integrated system. By combining transverse and longitudinal cutting operations in a single machine through sequential processing and rotation, the number of handling transfers is reduced, thereby decreasing time loss while ensuring complete cutting in both directions
3Manufacturing precision
If intermediate cuts are made to separate partial stacks, then cutting precision is improved, but process complexity worsens
Solution Approach 1:
The cutting process is segmented into distinct phases: transverse cutting to create partial stacks, rotation of the stack, and subsequent longitudinal cutting. This segmentation allows intermediate separation of partial stacks to be made, ensuring cutting precision by preventing damage to label prints while maintaining a manageable process flow within a single machine
Data Source
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AI summary
The method involves rotating a total stack around 90 degree, and transferring the total stack to a lower table (9) of a guillotine-type cutter (10). The total stack is inserted below a cutting knife, and the total stack is separated into multiple stack elements. The stack elements are discharged on a receiving table (20) arranged laterally to the cutter. The stack elements are aligned to form cuboid-shaped entire utilized stack. Other stack elements (26, 27) and the former stack elements are aligned to a block by a push device (16).