Bearing Block Assembly for Plant Trimming Machine Reassembly
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Solution Overview
Problem
Conventional plant-trimming machines require time-consuming and skilled labor to correctly reassemble the rotatable reel and bed knife positions during maintenance, as the relative positions need to be set with precision, which is inefficient and labor-intensive.
Innovation Solution
The bearing block assembly includes a first bearing plate with a bore for the reel and a second bearing plate with a pocket and contact surface, allowing for precise setting of the reel and bed knife positions, and optionally the tumbler, enabling easy adjustment and secure locking, thus simplifying the reassembly process.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If conventional bearing blocks are used with fixed bearing positions, then the structure is simple, but the reassembly requires time-consuming and skilled labor to set precise positions
Solution Approach 1:
The bearing block is divided into a first bearing plate and a second bearing plate, with the bearing-receiving bore located in the first plate and the second plate providing a pocket with clearance. This segmentation allows the bearing position to be adjusted within the pocket while maintaining structural integrity, enabling easy reassembly without requiring complex adjustment mechanisms.
Solution Approach 2:
The bearing-receiving bore is pre-positioned in the first bearing plate at a selected position within the pocket of the second bearing plate. This preliminary positioning ensures that when the plates are assembled, the bearing automatically assumes the correct position relative to the reel and bed knife, eliminating the need for time-consuming on-site adjustment during reassembly.
2Manufacturing precision
If precision setting mechanisms are added to the bearing block, then the positioning accuracy improves, but the device complexity increases
Solution Approach 1:
The second bearing plate is designed with a pocket that has specific clearance dimensions, creating a localized precision zone. The bearing-receiving bore in the first plate can be positioned within this pocket with controlled tolerance, achieving precise positioning (e.g., ±0.05mm) without requiring the entire bearing block to be complex. The clearance in the pocket provides the necessary adjustment range while maintaining local precision where it matters most.
Data Source
AI summary
A bearing block assembly for a plant-trimming machine having a rotatable perforated tumbler, a rotatable reel and a bed bar assembly. The bearing block assembly comprises an outer bearing plate having a bearing-receiving bore for holding a reel bearing to rotatably support an end of the reel, and an inner bearing plate affixed to the outer bearing plate. The inner bearing plate has a pocket for receiving the bearing-receiving bore of the outer bearing plate, the pocket having a tolerance permitting the bearing-receiving bore to be set at a selected position within the pocket. The bearing block assembly has connectors for affixing the outer bearing plate to the inner bearing plate. The bearing block assembly sets the positions of the reel, bed knife and tumbler correctly during assembly of the plant-trimming machine, reducing the time and skill required for maintenance.