Dual Pick-and-Transport Cartoning for Faster Packaging Cycles
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Solution Overview
Problem
Existing cartoning machines face limitations in production efficiency without compromising package quality.
Innovation Solution
A cartoning machine design featuring two independent groups of picking and transport units that operate with a timing difference, allowing simultaneous movement between multiple stations and reducing overall cycle time.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If a single picking and transport unit is used, then the device complexity is reduced, but the productivity is limited
Solution Approach 1:
The picking and transport function is divided into two independent units (first and second picking and transport units) that operate separately but cooperatively. Each unit has its own gripping means and can independently transport carton blanks, allowing parallel operation to increase productivity while maintaining manageable complexity through modular design
Solution Approach 2:
The two picking and transport units are configured to move in opposite directions along the same path, creating a dynamic system where units can alternate operations. This dynamic arrangement allows continuous production flow with one unit preparing while the other is transporting, maximizing throughput without requiring excessive units
2Productivity
If two independent picking and transport units operate simultaneously, then the productivity increases, but the device complexity increases
Solution Approach 1:
The control system implements periodic action by alternating the operation cycles of the two picking and transport units. While one unit is transporting a carton blank, the other unit prepares to pick up the next blank or is returning to the magazine. This periodic coordination ensures continuous production flow and maximizes productivity without requiring complex real-time synchronization
Solution Approach 2:
The system maintains continuity of useful action by ensuring that at any given time, at least one picking and transport unit is actively transporting a carton blank or preparing for the next operation. The opposite-direction movement allows both units to be productive simultaneously, eliminating idle time and maintaining continuous production flow
3Productivity
If the picking and transport units move at high speed, then the productivity increases, but the reliability of package quality may deteriorate
Solution Approach 1:
The unfolding station acts as an intermediary between the picking/transport units and the product insertion station. It provides a controlled environment where carton blanks are carefully transformed from flat to three-dimensional form at a moderate pace, ensuring proper formation and positioning before products are inserted, thereby maintaining quality even when transport units operate at high speed
Data Source
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AI summary
Cartoning machine comprising means (GD, GS) for picking up and transporting the cardboard dies in use comprising two independent units (GD, GS) for picking up and transporting the cardboard dies.