Adaptive Sheet Material Pick-Up Mechanism for Variable Adhesion
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Solution Overview
Problem
Existing devices for separating sheet material, such as banknotes, often fail to reliably pick up individual pieces due to varying adhesive properties across different types and conditions of sheets, leading to inconsistent performance.
Innovation Solution
A device that determines a specific pick-up position and selects the appropriate pick-up mechanism based on the adhesive properties of each sheet, using either suction force or van der Waals force, to ensure reliable separation by adapting to the unique characteristics of each sheet.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a fixed pick-up mechanism is used for all sheet material, then the device structure is simple, but the reliability of picking up individual pieces is poor due to varying adhesive properties
Solution Approach 1:
The patent applies dynamics by making the pick-up mechanism adaptable and changeable based on detected sheet properties. The system dynamically switches between different pick-up mechanisms (suction, adhesive, mechanical) and adjusts pick-up positions based on real-time detection of sheet material characteristics, transforming a static fixed mechanism into a dynamic adaptive one that resolves the contradiction between simplicity and reliability.
Solution Approach 2:
The patent changes physical parameters of the pick-up mechanism based on detected sheet properties. The control unit adjusts parameters such as suction force intensity, adhesive activation state, and pick-up position coordinates based on detected sheet material characteristics, allowing the same physical mechanism to adapt its behavior to match varying sheet adhesive properties, thereby improving reliability without requiring multiple fixed mechanisms.
2Adaptability or versatility
If the pick-up position is fixed, then the device operation is simple, but the ability to handle sheets with different surface properties is poor
Solution Approach 1:
The patent applies preliminary action by detecting and analyzing sheet material properties (adhesive characteristics, surface texture) before the actual pick-up operation. The control unit预先 determines the optimal pick-up position and selects the appropriate mechanism based on pre-detection data, allowing the system to adapt to different sheet properties without complicating the execution phase of the operation.
Solution Approach 2:
The patent implements feedback by using detection units to continuously monitor sheet material properties and feeding this information back to the control unit, which then adjusts pick-up position and mechanism selection accordingly. This closed-loop feedback system enables the device to adapt to varying sheet surface properties while maintaining automated operation that appears simple from the outside.
3Reliability
If a single pick-up mechanism is used, then the device structure is simple, but the reliability for different sheet types is inconsistent
Solution Approach 1:
The patent applies universality by designing a multi-functional pick-up mechanism that can perform multiple pick-up methods (suction, adhesive bonding, mechanical grasping) through a single integrated system. The control unit selects which function to activate based on detected sheet properties, allowing one universal mechanism to handle diverse sheet types reliably without requiring separate specialized mechanisms for each sheet type.
Solution Approach 2:
The control unit acts as an intermediary that mediates between the detection units and the physical pick-up mechanisms. It receives detection data about sheet properties and translates this into appropriate activation of different pick-up mechanisms or combinations thereof, coordinating multiple mechanisms through a central intelligent intermediary that ensures reliable picking up across different sheet types while managing system complexity centrally.
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 device improves the reliability of sheet material separation by accurately determining the pick-up position and mechanism, effectively handling sheets with different surface textures and conditions, ensuring successful removal from the stack.
Implementation Method 1
The sheet material pick-up (12) is designed to pick up a single piece of sheet material (5-1) from a sheet material stack (5)
Implementation Method 2
pick up the piece of sheet material by means of a first pick-up mechanism of the sheet material pick-up (12) and/or by means of a second pick-up mechanism of the sheet material pick-up
Data Source
Figure 1
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Figure 4~5
AI summary
The present invention relates to a device and a method for singulating leaf material. According to the invention, the singulation of leaf material is not static, but rather a suitable receiving position 511 and/or a suitable receiving mechanism is selected for each leaf material piece 5-1 to 5-n depending on the nature of a surface 51 of the leaf material piece 5-1 to be received, in order to pick up the leaf material piece 5-1 from a stack of leaf material 5 and remove it from there.