Dual Spring Rate Raising Apparatus for Punching Tools
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Solution Overview
Problem
Existing raising apparatuses for lifting punching or stripping parts/sheets of material lack flexibility in spring rate, leading to unreliable and inefficient removal of various materials, causing processing delays and entanglement issues.
Innovation Solution
A raising apparatus with first and second spring elements of different spring rates, along with a stop block for precise positioning, allows for flexible and reliable lifting of various materials by enabling adjustable spring rates and improved mechanical stability.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a single spring element with unchanging spring rate is used, then the device structure is simple, but the lifting reliability for different materials is poor
Solution Approach 1:
The single spring element is divided into multiple spring elements (first spring element and second spring element) with different spring rates. Each spring element can be independently selected and installed in the holding slot based on the specific material being processed, allowing optimization of lifting reliability for different materials without excessive complexity.
Solution Approach 2:
The spring rate parameter is varied by providing multiple spring elements with different spring rates. This allows the system to adapt to different material properties (cardboard, carton, paper, plastic, metal) by selecting the appropriate spring rate, thereby improving lifting reliability across diverse materials.
2Productivity
If a single spring rate is used, then the device structure is simple, but the lifting speed and control for different materials is poor
Solution Approach 1:
The spring element is segmented into multiple options with different spring rates, enabling selection of appropriate lifting speed for different materials. This segmentation allows fast lifting for lightweight materials and controlled lifting for heavier materials, improving overall productivity.
Solution Approach 2:
The system becomes dynamically adaptable by allowing replacement of spring elements based on material requirements. The lifting speed can be dynamically adjusted by selecting different spring rates, making the device more versatile and productive across different processing scenarios.
3Adaptability or versatility
If spring elements with different spring rates are provided, then the lifting adaptability for different materials is improved, but the device complexity increases
Solution Approach 1:
The spring element system is segmented into distinct, replaceable components. Each spring element can be independently selected and installed, providing high adaptability for different materials while keeping the overall device structure relatively simple through modular design.
Solution Approach 2:
The holding slot and spring element assembly are designed to be universal, accepting different spring element types. This multi-functionality allows the same base structure to handle various materials (cardboard, carton, paper, plastic, metal) by simply changing the spring element, achieving high adaptability without proportionally increasing device complexity.
4Reliability
If a single spring element is used, then the device structure is simple, but the lifting control for different material weights is poor
Solution Approach 1:
The spring rate parameter is changed by selecting different spring elements. This allows precise control of the lifting force to match the weight characteristics of different materials, ensuring reliable lifting without excessive complexity in the overall device configuration.
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 apparatus ensures quick and reliable lifting of different materials, reducing processing delays and entanglement risks by providing adjustable spring rates and enhanced mechanical stability.
Implementation Method 1
the raising apparatus has first and second spring elements with different spring rates
Implementation Method 2
a first spring element with a first spring rate, as well as a second spring element with a different spring rate from the first spring element
Data Source
AI summary
The invention concerns a raising apparatus for lifting sheets of material in tools, in particular punching and stripping tools, with a first spring element which possesses a first spring rate, and a second spring element which possesses a second spring rate.