Blank Separation Modules With Guided Supports for Fast Depaneling
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Solution Overview
Problem
Existing panel separation technologies in sheet processing machines are limited by slow processing speeds due to discontinuous sheet movement and complex, error-prone pin arrangement, which complicates shearing between panels and removal of thin webs.
Innovation Solution
A device with an upper and lower panel separating module, featuring at least three positionable support elements and pressure-resistant templates, simplifies pin placement and absorbs forces during separation, allowing for independent actuation of modules and reducing debris entry.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If rotary die-cutting machines are used for high-speed processing, then productivity increases, but the complexity of panel separation and pin arrangement increases
Solution Approach 1:
The device is divided into an upper panel separating module and a lower panel separating module, each with independent functions. The lower module contains support elements that can be independently positioned, while the upper module contains cutting elements. This segmentation allows each module to be optimized for its specific function, simplifying the overall separation process despite high-speed requirements.
Solution Approach 2:
A template is introduced as an intermediary component between the support elements and the panels. The template guides the support elements into correct positions and absorbs forces during the separating process, preventing direct complex interactions between pins and panels. This intermediary simplifies the separation mechanism while maintaining high-speed capability.
2Manufacturing precision
If multiple support elements are used for panel separation, then separation precision improves, but setup complexity and error probability increase
Solution Approach 1:
The support elements are designed to be self-positioning through the template guidance system. The template contains features that automatically guide the support elements into their correct positions during operation, eliminating the need for complex manual arrangement or sophisticated positioning mechanisms. This self-service approach maintains precision while reducing setup complexity.
Solution Approach 2:
The template acts as a reusable copy or pattern that defines the positions of multiple support elements. Instead of individually positioning each support element, the template provides a pre-defined arrangement that can be repeatedly used, reducing setup time and error probability while maintaining consistent precision across multiple operations.
3Productivity
If support elements are positioned close to panels for effective shearing, then separation effectiveness improves, but debris entry into positioning mechanisms increases
Solution Approach 1:
The template is designed to be separable or removable from the support elements. During the separating process, the template can be extracted or positioned to prevent debris from entering the positioning mechanisms. This extraction approach allows close positioning of support elements for effective shearing while protecting the positioning system from contamination.
4Manufacturing precision
If discontinuous sheet movement is used for die-cutting, then processing precision improves, but processing speed is limited
Solution Approach 1:
The device is designed to accommodate dynamic high-speed operation while maintaining precision. The support elements and template are configured to work effectively during the brief contact period in rotary die-cutting, with forces being absorbed and distributed to maintain precision even at higher speeds. This dynamic design allows the system to achieve both speed and precision that were previously contradictory.
Data Source
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AI summary
The invention relates to a device for separating blanks (1200), comprising an upper blank-separating module (1204) and a lower blank-separating module (1203), wherein the at least one lower blank-separating module (1203) has at least three support elements (1202; 1211), and the at least three support elements (1202; 1211) can be positioned in at least three positions in the vertical direction (V). A positioning module (1246) for positioning at least two support elements (1211) of the support elements (1202; 1211) has at least one first template (1259) and a second template (1261), wherein at least one template (1259; 1261) of the templates (1259; 1261) is designed to be pressure-stable and/or to absorb a force in a stable manner during the separating process. The invention additionally relates to a processing machine (01) and to a method for separating blanks.