Pivotable Blade Cutter for Sheet Metal Cross-Cutting
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Solution Overview
Problem
Existing sheet working machines lack versatility in cutting operations, as they typically require multiple devices for different cutting tasks, which complicates the process and limits operational efficiency.
Innovation Solution
A cutter with a pivotable blade mechanism, actuated by eccentric elements, allows for cross-cutting and partial edge-cutting operations by adjusting to various angular positions, integrated with a sheet working machine and operated via a push plate, enabling a single device to perform multiple cutting functions.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If multiple separate devices are used for different cutting tasks, then each device can be optimized for its specific function, but the overall system complexity increases and operational efficiency decreases
Solution Approach 1:
The cutter is designed with a pivotable blade mechanism that can perform multiple cutting operations (cross-cutting, partial edge-cutting, angle cutting) with a single device. The blade can be adjusted to various angular positions around a horizontal axis, allowing one cutter to replace multiple specialized cutting devices, thereby reducing system complexity while maintaining versatility
Solution Approach 2:
The cutter employs a dynamically adjustable blade mechanism that can pivot to different angular positions during operation. This dynamic adjustment capability allows the single cutter to adapt to various cutting requirements (different angles, cross-cutting, partial cutting) without requiring multiple fixed-purpose devices, resolving the contradiction between versatility and complexity
2Device complexity
If a single device performs multiple cutting functions, then device complexity is reduced, but the mechanism must be more complex to achieve multiple operations
Solution Approach 1:
The cutter integrates multiple cutting functions into a single device through a pivotable blade mechanism. The blade can be positioned at various angles around a horizontal axis, enabling cross-cutting, partial edge-cutting, and angle cutting operations, thus providing universal cutting capability while reducing the number of devices required
Solution Approach 2:
The single cutter achieves multiple cutting functions through dynamic blade positioning. The blade mechanism can pivot to different angular positions during operation, allowing the same physical device to perform various cutting operations that would otherwise require multiple specialized devices, thereby maintaining versatility while simplifying the overall system
3Productivity
If the cutter is integrated with the sheet working machine, then operational efficiency improves, but the integration complexity increases
Solution Approach 1:
The cutter is integrated with the sheet working machine by combining it with the existing push plate mechanism. The push plate, which already applies working force to tools inside the machine frame, is extended to also operate the cutter. This merging of functions allows the cutter to be operated through the same push plate mechanism, improving operational efficiency while minimizing integration complexity
Solution Approach 2:
The cutter utilizes the existing push plate mechanism of the sheet working machine for operation, rather than requiring a separate actuation system. The push plate automatically operates the cutter during the sheet working process, allowing the cutter to benefit from the machine's existing operational cycle and reducing the need for additional control systems
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
The solution provides a versatile cutting capability, allowing for efficient cross-cutting and partial cutting operations with a single device, enhancing operational flexibility and reducing the complexity of cutting processes in sheet working machines.
Implementation Method 1
the pivoting of the blade is effected by means of an eccentric actuator 11a, 11b
Data Source
Figure 1~1a
Figure 2~4
AI summary
The invention relates to a cutter (10) for cutting a web-like or sheet-like metal material (2). The cutter includes a blade (12) pivotable around a horizontal axis to various angular positions, by means of which the cutter is enabled to perform optionally a cross-cutting operation of the material or a partial cutting operation of at least one edge.