Chain-Driven Hook Mechanism for Conveyor Case Flap Lifting
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Solution Overview
Problem
Current conveyor systems fail to effectively lift and close the front flap of cases passing through, especially when cases are reused, leading to improper sealing due to the need for stopping the system or changing parts.
Innovation Solution
A lifting apparatus comprising a chain with a hook and piston that can vertically hang over a conveyor belt, allowing the hook to engage and retract the front flap of a case as it moves, enabling continuous operation and proper closure of the flap without additional interference.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the conveyor system stops or changes parts to lift the front flap, then the flap can be properly raised for closure, but the system productivity and throughput decrease
Solution Approach 1:
The lifting mechanism uses a dynamic chain-driven hook system that can engage and disengage from the flap during continuous conveyor operation. The chain is driven by a motor to provide variable lifting force and position adjustment, allowing the system to adapt to different case types and positions without stopping the conveyor, thus maintaining productivity while ensuring reliable flap closure
Solution Approach 2:
The lifting mechanism is designed with a universal chain-driven hook system that can handle multiple case types and sizes. The adjustable chain length and positioning capabilities allow the same mechanism to properly lift front flaps on various reused and non-reused cases, eliminating the need for part changes while maintaining closure reliability across different product configurations
2Device complexity
If a ridged arm is used to lift the flap, then the mechanism is simple, but the system must change parts for different case types and cannot handle intermittent case placement
Solution Approach 1:
The system replaces the static ridged arm with a dynamic chain-driven hook mechanism that can adjust its position and engagement point. The motor-driven chain can extend and retract to accommodate different case heights and positions, while the hook design allows it to engage with various flap configurations. This dynamic adjustment capability provides versatility for different case types without increasing overall system complexity
Solution Approach 2:
The chain acts as an intermediary element between the motor drive and the flap lifting action. This chain-mediated approach allows for smooth, controlled lifting motion that can adapt to intermittent case placement and various case types, replacing the direct mechanical connection of the ridged arm while maintaining operational simplicity through the use of standard chain and motor components
3Productivity
If the conveyor operates continuously, then productivity increases, but the front flap cannot be properly lifted and sealed
Solution Approach 1:
The lifting mechanism is designed to operate continuously alongside the conveyor without requiring system interruptions. The chain-driven hook engages the flap and lifts it through the sealing position while the conveyor continues moving, maintaining continuous productive action. The mechanism is synchronized with conveyor speed to ensure proper lifting timing and positioning throughout the sealing process
Solution Approach 2:
The system replaces traditional mechanical flap lifting mechanisms with a motor-driven chain system that provides more precise and reliable lifting control. The motor control allows for consistent lifting force and positioning that ensures proper flap sealing even during continuous operation, substituting simpler mechanical systems that cannot maintain sealing quality at continuous conveyor speeds
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
Enables continuous operation of conveyor systems with improved flap closure, ensuring proper sealing and increased efficiency by allowing cases to be intermittently placed without stopping, thus enhancing the throughput and reducing the need for part changes.
Implementation Method 1
a chain 110 that can vertically hang over a conveyor belt 118... The lifting apparatus 102 allows gravity to lower the chain 110 and hook 114 into position
Implementation Method 2
The lifting apparatus includes a piston 104 configured to retract and release the chain 110
Data Source
AI summary
A lifting apparatus for a case on a conveyor system. A chain vertically hangs over a conveyor belt. A hook is positioned on an end of the chain. A piston retracts and releases the chain. The hook interacts with and moves front flaps on cases traveling on the conveyor system.