Bag Handling System With Suction Cutting Head
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
The manual removal of outer bags from bag arrangements containing food products like milk powder is labor-intensive, often results in injuries and risks damaging the inner bag, which can lead to contamination and machine failures.
Innovation Solution
A system comprising a cutting station with a suction head and cutting blade arrangement that lifts and cuts the outer bag while maintaining a vertical distance from the inner bag, using circular blades of varying diameters to sequentially cut through multiple layers, and a tearing arrangement with hook-shaped elements to efficiently open the outer bag without damaging the inner bag.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If manual removal of the outer bag is used, then flexibility and simplicity are maintained, but operator safety deteriorates and productivity decreases
Solution Approach 1:
The patent replaces the manual mechanical system with an automated cutting system that uses a cutting head with rotating blades to cut the outer bag. This substitution eliminates direct operator contact with the bag opening process, thereby improving operator safety while maintaining operational effectiveness.
Solution Approach 2:
The patent employs a suction head that uses pneumatic principles to hold the outer bag securely during the cutting process. The suction mechanism creates a vacuum grip that stabilizes the bag, allowing precise cutting without manual handling, thus improving both safety and cutting precision.
2Device complexity
If manual removal of the outer bag is used, then equipment complexity is minimized, but productivity decreases
Solution Approach 1:
The automated cutting system with rotating blades and suction head replaces manual bag opening, dramatically increasing processing speed. The system can continuously cut multiple bags without fatigue or breaks, thereby improving productivity while the modular design keeps equipment complexity manageable.
Solution Approach 2:
The suction head automatically secures the outer bag and positions it for cutting without manual intervention. The cutting blades automatically traverse through the bag layers, and the system self-regulates the cutting process, reducing the need for complex control mechanisms while maintaining high productivity.
3Productivity
If the outer bag is cut while close to the inner bag, then cutting efficiency is improved, but the risk of inner bag damage increases
Solution Approach 1:
The suction head creates a vacuum that lifts and secures the outer bag at an optimal distance from the inner bag. This pneumatic positioning ensures the cutting blades can efficiently cut through the outer bag layers while maintaining sufficient clearance to prevent accidental contact with or damage to the inner bag.
Solution Approach 2:
The cutting system is designed to cut through the outer bag layer by layer using multiple rotating blades at different depths. This segmented cutting approach allows each blade to penetrate a specific layer, ensuring complete separation of the outer bag from the inner bag before any potential contact occurs, thereby maintaining cutting efficiency while protecting the inner bag.
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 method reduces the risk of inner bag damage, minimizes manual labor, and ensures a controlled and sanitary removal process, thereby enhancing food safety and reducing the risk of machine failures.
Implementation Method 1
The suction head is arranged to lift the outer bag by applying a suction force on the outer bag, for forming a vertical distance between the outer bag and the inner bag
Data Source
Figure 1~2
Figure 3
Figure 4
AI summary
A system (100) for handling a bag arrangement (102) comprising an outer bag (104) enclosing an inner bag (106). The system comprises a cutting station (108) comprising a suction head (200) and a cutting blade arrangement (300). The suction head (200) is arranged to lift the outer bag (104), thereby forming a vertical distance (V-D) between the outer bag (104) and the inner bag (106). The cutting blade arrangement (300) is arranged radially inside the suction head (200), thereby providing for that the outer bag (104) is cut open while lifted from the inner bag (106).