Intermediate Adjusting Module for Cardboard Blank Positioning
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Solution Overview
Problem
High-speed printing and cutting machines face challenges in precisely and repeatedly positioning cardboard blanks due to random phenomena and potential snagging, leading to disorder and damage, especially at higher speeds, which affects the quality and integrity of the blanks.
Innovation Solution
A device with a high-speed ejection module and a low-speed reception module, featuring an intermediate adjustment module with adjustable speed and means to adjust the angle of incidence and fold down the rear part of the blanks, ensuring precise positioning and reducing speed differences between the blanks.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If the machine operates at high speed (350 m/min), then productivity increases, but random phenomena occur that disturb correct ordering and positioning precision
Solution Approach 1:
The transfer system is divided into three distinct modules: ejection module, intermediate adjustment module, and receiving module. The intermediate module acts as a buffer zone that segments the high-speed ejection from low-speed reception, allowing each module to operate at optimized speeds while maintaining overall system productivity.
Solution Approach 2:
The intermediate adjustment module serves as an intermediary between the high-speed ejection module and low-speed receiving module. It includes adjustable-speed conveyor means and folding means that mediate the transition, enabling precise positioning control without compromising the high-speed operation of the ejection module.
2Device complexity
If the angle of incidence is fixed as in prior art, then device complexity is reduced, but positioning precision and adaptability to different blank parameters deteriorate
Solution Approach 1:
The angle of incidence is changed from a fixed parameter to a dynamically adjustable one. The intermediate adjustment module includes means to vary the angle according to specific parameters of the cardboard blank (length, rigidity, thickness), allowing optimization of positioning precision for different blank types while maintaining manageable device complexity through modular design.
3Productivity
If incident blanks arrive at high relative speed with certain incidence, then productivity is maintained, but marking and damage to fragile coatings occur
Solution Approach 1:
The folding means in the intermediate adjustment module perform preliminary action by folding down the rear part of incident blanks before they reach the receiving module. This preliminary folding reduces the relative speed and incidence angle at the critical transfer point, preventing marking and damage to fragile coatings while maintaining overall high-speed operation.
Solution Approach 2:
The intermediate adjustment module provides beforehand cushioning by controlling the speed and angle of incident blanks before they contact the receiving module. The adjustable-speed conveyor and folding mechanism cushion the impact, protecting fragile coatings from damage while preserving productivity.
4Device complexity
If the rear part of blanks is not folded down, then device complexity is reduced, but positioning precision and prevention of snagging deteriorate
Solution Approach 1:
The folding means are designed to work with the natural flow of blanks through the intermediate module. By folding down the rear part of blanks, the system creates self-service conditions where subsequent blanks have a clear path, reducing the need for complex additional positioning mechanisms and preventing snagging through intelligent geometric arrangement.
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 enables precise and repetitive positioning of cardboard blanks, reducing random phenomena and preventing damage, thereby maintaining the integrity and quality of the blanks during high-speed transfer.
Implementation Method 1
These applicator means may for example comprise a stream of air blowing on the rear part of the blanks
Implementation Method 2
a rotating element provided with a zone forming a cam bearing on each rear part of the blank and positively accompanying that part during at least part of its displacement
Data Source
Figure 1~3
Figure 2
AI summary
The invention relates to a device for scaling cut-out cardboard blanks (2, 2') comprising the high-speed (1,4V) ejection means (I) of a cutting machine and low-speed (V") receiving means. The inventive device is characterised in that it is provided with an intermediate adjusting module (II) whose at least blank-driving speed is adjustable and which is arranged between the ejection means (I) and the receiving means (III).