Blank Forming Apparatus for Packaging Boxes
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Solution Overview
Problem
Existing methods for automatically processing packaging boxes are limited by human error in identifying pack sizes and have low capacity due to the need for multiple cutting stations and interruptions in blank material transport during cutting.
Innovation Solution
A method that uses a single cutting station and performs cutting during blank material feeding, with adjustable folding units and a control system to measure and cut blanks to custom sizes based on article dimensions, allowing for high-capacity, error-free packaging of various shapes and sizes without human intervention.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If multiple cutting stations are used to cut blanks to custom sizes, then manufacturing precision is improved, but device complexity increases and productivity decreases
Solution Approach 1:
The patent combines multiple cutting stations into a single cutting station that processes blanks sequentially. The first cutting station performs initial cutting, and the second cutting station performs final cutting, both integrated in one location. This merging reduces device complexity while maintaining precision through coordinated operation of the cutting components.
Solution Approach 2:
The first cutting station performs preliminary cutting to rough-size the blank before it reaches the second cutting station. This preliminary action reduces the workload on the second cutting station and allows for more precise final cutting, maintaining manufacturing precision while improving productivity by eliminating the need for separate cutting stations.
2Manufacturing precision
If blank material transport is stopped during cutting, then manufacturing precision is improved, but productivity decreases
Solution Approach 1:
The cutting-out device performs cutting actions periodically as the blank material continues to feed through the system. The cutting components engage the blank material at specific intervals during its continuous movement, allowing cutting to occur without stopping the transport. This periodic cutting action maintains both precision and productivity.
Solution Approach 2:
The blank material transport operates continuously throughout the cutting process. The cutting-out device is designed to cut the blank material while it moves through the feeding direction, eliminating idle time between cutting operations and maintaining continuous productive action.
3Productivity
If the cutting-out device moves at high speed from active to inactive position, then productivity is improved, but manufacturing precision may worsen
Solution Approach 1:
The cutting-out device rapidly moves from the active cutting position to the inactive position after completing a cut. This quick retraction minimizes the time the device spends in non-productive positions, improving cycle time and productivity while maintaining cutting precision through controlled deceleration before the cutting action.
Data Source
AI summary
Method and system for automatically processing blanks for forming packaging boxes. By means of a feeding conveyor blank material is fed in a feeding direction from a storage of blank material to a single blank cutting station comprising a blank forming apparatus for cutting and creasing blank material into a blank. By means of said blank forming apparatus a blank is formed having a rectangular bottom panel and rectangular corner, side and end panels. Cutting and creasing blank material into the blank is performed during feeding of said blank material in feeding direction through the blank forming apparatus.