Adjustable Boxing Conveyor Layout for Faster Format Changeovers
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Solution Overview
Problem
Existing boxing machines struggle to optimize throughput when changing package formats, particularly due to inefficient cycle times and unproductive robot movements.
Innovation Solution
A boxing machine with adjustable conveyor belts and robotic units that form product groups with a predetermined width, utilizing a vision system to optimize robot movements and adjust conveyor distances based on product group dimensions.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If the distance between the side belt and the distal edge of the lower belt is fixed, then the structure is simple, but the boxing machine cannot adapt to different package formats efficiently
Solution Approach 1:
The patent applies the dynamics principle by making the distance between the side belt and the distal edge of the lower belt adjustable rather than fixed. This allows the conveyor system to adapt its configuration dynamically to different package formats, resolving the contradiction between adaptability and structural simplicity.
2Productivity
If the robot performs unproductive movements, then the robot can reach all positions, but the cycle time increases and throughput decreases
Solution Approach 1:
The patent applies preliminary action by pre-positioning the conveyor belts and product groups at optimal locations before the robot needs to access them. The adjustable side belt and lower belt are configured in advance to minimize robot travel distance, eliminating unproductive movements and reducing cycle time.
Solution Approach 2:
The patent replaces complex robot motion planning with a simpler mechanical adjustment system. Instead of relying on the robot to compensate for fixed conveyor limitations through complex movements, the mechanical conveyor system is adjusted to naturally position products optimally, reducing the robot's workload and cycle time.
3Manufacturing precision
If the conveyor belts are fixed in position, then the system is stable and simple to operate, but the product groups cannot be optimally positioned for different formats
Solution Approach 1:
The patent applies parameter changes by adjusting the positional parameters of the conveyor belts (side belt and lower belt) according to the specific package format being processed. This allows precise positioning of product groups for different formats while maintaining system simplicity through standardized adjustment mechanisms.
Data Source
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AI summary
A boxing machine (12) for boxing products (P), comprising a group conveyor (14), configured to transfer product groups (G) from a group forming section (56) to a boxing section (60) along a group transport direction (C), wherein the group conveyor (14) comprises a lower belt (80) and a side belt (82) movable along the group transport direction (C), and wherein a distance (D) between the side belt (82) and a distal edge (92) of the lower belt (80) is adjustable as a function of a predetermined width (W) of the product groups (G) to be formed.