Log Singulator With Rotating Arms And Barriers
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing log singulators face issues with imprecise separation, high floor space occupation, inability to handle oddly-shaped logs, low singulation speed, and lack of surge and catch-up features, leading to inefficiencies in feeding logs to wood processing facilities.
Innovation Solution
A log singulator with a base, three barriers forming peaks and valleys, and rotatable lifting devices with arms that extend radially to lift and move logs over the barriers, ensuring only one log is fed at a time, while the drive system rotates the lifting devices to manage multiple logs and prevent overcrowding.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If step sorter singulators are used to separate logs in steps along a vertical incline, then logs can be sorted and fed to the processing facility, but the separation precision deteriorates (tendency to carry more than one log at a time) and floor area occupation increases
Solution Approach 1:
The singulator divides the log feeding process into discrete segments using individual barriers (first barrier with peak, second barrier with valley) that create separate control zones. Each barrier independently manages specific logs, allowing precise one-at-a-time separation while maintaining high productivity through parallel processing of multiple logs in different zones.
2Productivity
If rotary sorter singulators with pockets or arms are used to carry logs one at a time, then logs can be fed to the conveyor, but occasionally more than one log is taken in and floor space increases
Solution Approach 1:
The invention transitions from horizontal rotary movement to vertical barrier-based separation. Logs are elevated vertically over the first barrier's peak and guided through the second barrier's valley, using the vertical dimension to achieve precise singulation in a compact footprint, eliminating the need for large horizontal rotary mechanisms.
3Productivity
If oscillating quadrant/arc singulators are used to elevate logs along a curved surface, then logs can be fed to the conveyor, but separation precision deteriorates and singulation speed decreases
Solution Approach 1:
The lifting device incorporates dynamic, movable arms that can extend and retract in response to log presence. The arms actively engage logs and release them in controlled sequences, adapting to varying log conditions while maintaining precise separation and high singulation speed through responsive mechanical motion rather than fixed oscillating paths.
Data Source
AI summary
A singulator and method that separates a single log from a pile of logs and supplies the single log to a conveyor.