Bowl Feeder Unjamming System with Sensor Detection
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Solution Overview
Problem
In mass-produced product assembly lines, manual intervention is required to address part jams, which halts the production process and is inefficient.
Innovation Solution
An automated unjamming system that uses sensors to detect part errors, air nozzles to remove jammed parts, and movable guide bars to clear the path, allowing for automatic detection and resolution of jams without operator intervention.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If manual intervention is used to remove jammed parts, then the jam can be cleared, but the production process must be halted and efficiency is reduced
Solution Approach 1:
The system enables automatic detection and removal of jammed parts through sensors and reversing conveyance mechanisms, allowing the feeder to clear jams autonomously without manual intervention, thus maintaining continuous operation and high productivity
Solution Approach 2:
The sensor detects part errors before they cause complete system failure, and the system automatically initiates the reversing conveyance action to prevent jam escalation, resolving issues before they halt production
2Reliability
If constant manual monitoring is implemented to detect and clear jams, then jam response is immediate, but labor requirements and operational complexity increase
Solution Approach 1:
The sensor continuously monitors the parts feed path and provides feedback signals when part errors are detected, automatically triggering the unjamming sequence without requiring operator attention or complex monitoring procedures
Solution Approach 2:
The manual monitoring and intervention process is replaced by an automated sensor-based detection system and motorized reversing mechanism, eliminating the need for constant human vigilance while maintaining reliable jam detection
3Reliability
If jammed parts are removed and re-introduced manually, then the feeder can resume operation, but process interruption and time loss occur
Solution Approach 1:
The automatic reversing conveyance mechanism restores parts to the bowl feeder continuously without stopping the overall production process, eliminating idle time and maintaining uninterrupted operation
Solution Approach 2:
The system automatically initiates the part reversal and re-introduction process immediately upon detecting a jam, preventing complete process halt and minimizing time loss before restoration
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 by automatically detecting and resolving part jams, reducing downtime and increasing efficiency in mass-produced product assembly processes.
Implementation Method 1
A sensor is provided adjacent the process path for detecting a part error. The sensor is adapted for generating a sensor signal.
Implementation Method 2
air nozzles to remove jammed parts
Implementation Method 3
The returning means moves the parts in a direction opposite to the process direction.
Implementation Method 4
The guide bar segment is adapted for movement transversely away from the process path in response to the sensor signal. This increases the distance between the guide bar segment and the second guide bar.
Data Source
AI summary
An unjamming system is used in connection with mass-produced parts fed through a process by a rotating bowl feeder. The bowl feeder has a bowl with an axis of rotation and an outer wall. The parts are disposed against the outer wall by centrifugal force. The unjamming system includes a jamming region adjacent the bowl, wherein unjamming is carried out. A sensor adjacent the jamming region detects a jam. A pneumatic cylinder actuator and an air blow jet adjacent the jamming region removes the parts from the jam. The parts are returned to the bowl by the air blow jet.