Slitter Blade Height Adjustment Using Optical Detection
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Solution Overview
Problem
Conventional methods for adjusting the height of slitter blades in corrugated board machines are complex and costly, often resulting in errors in setting the optimal engaging point between the slitter blade and receiving roll, which affects the quality of the slit sections and is not easily adjustable as the blade wears.
Innovation Solution
A method and device that use a light beam to determine the optimal height of the slitter blade by emitting it through the contact point with the corrugated board web, allowing for precise adjustment of the blade's position relative to the receiving roll, ensuring consistent engagement and quality of the slit sections without the need for complex control systems.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If conventional methods are used to adjust slitter blade height, then the adjustment process becomes complex and costly, but the precision and reliability of setting the optimal engaging point deteriorates
Solution Approach 1:
The patent replaces complex mechanical measurement and adjustment systems with a simple optical method. A light source and light receiver detect when the slitter blade intercepts the light beam, providing a precise visual signal for setting the optimal engaging point without requiring complex mechanical gauges or measurement devices.
Solution Approach 2:
The patent introduces a light beam as an intermediary between the slitter blade and the operator. The light beam serves as a reference marker that the blade must intercept, providing a clear visual indication of the correct position without requiring direct mechanical measurement or complex control systems.
2Ease of operation
If conventional adjustment methods are used, then device complexity increases, but ease of operation and adjustability as blade wears deteriorates
Solution Approach 1:
The patent replaces complex mechanical control systems with a simple optical detection method. The light source and receiver provide an intuitive visual signal that makes it easy for operators to adjust the blade height, especially as the blade wears and requires repositioning, without requiring complex electronic controls or automated systems.
Solution Approach 2:
The light beam method is self-regulating and always provides the correct reference position regardless of blade wear. The operator simply needs to move the blade until it intercepts the light beam, which automatically indicates the correct position without requiring recalibration or complex adjustment procedures.
3Manufacturing precision
If precise adjustment is achieved through complex control systems, then measurement precision improves, but device complexity and cost increase
Solution Approach 1:
The patent achieves high manufacturing precision for slitter blade positioning by replacing complex mechanical control systems with a simple optical method. The light beam provides a precise reference that is easy to detect and maintain, ensuring accurate blade position without requiring expensive electronic controls, sensors, or automated positioning systems.
Solution Approach 2:
The patent uses simple, inexpensive light sources and receivers instead of complex, expensive control systems. The optical components are relatively cheap and simple to replace if needed, providing a cost-effective solution for achieving precise blade positioning without investing in complex automated 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
This approach simplifies the adjustment process, reduces costs, and ensures high accuracy in maintaining the optimal engaging point, thereby stabilizing the slitting process and improving the quality of the corrugated board web sections.
Implementation Method 1
emitting a light beam in a width direction of the corrugated board web to pass through a contact position of the outer-circumferential surface of the receiving roll with the corrugated board web
Data Source
AI summary
Disclosed is a method and a device for adjusting the height of a slitter blade wherein the quality at a slitting section of a cardboard web is ensured in a slitter device by finding an optimal engaging point of a receiving roll and a slitter blade, and setting of the engaging point can be achieved easily by a simple and low cost mechanism. A center (O1) of a slitter blade (26) is located on the downstream side of a center (O2) of a receiving roll (27) in the traveling direction of a cardboard web, the slitter blade (26) and the receiving roll (27) are rotated such that the outer circumferential surfaces thereof move in the same direction as the traveling direction (b) of a cardboard web (W), light beams (1,f) are irradiated in the width direction of the cardboard web (W) to pass through a contact position (a) of the outer circumferential surface of the receiving roll with the cardboard web (W), the slitter blade (26) is brought close towards the receiving roll (27), and a position where the circular outer edge (26a) of the slitter blade (26) intercepts the light beams (1,f) is determined as a slitting position of the cardboard web (W) for the slitter blade (26).