Operating Assembly Motion Control With Auxiliary Safety Guide
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Solution Overview
Problem
Existing movement systems for operating assemblies in automatic processing apparatuses face challenges in achieving high precision, reliability, and flexibility, particularly when frequent changes in motion laws and trajectories are required, leading to potential accidents and downtime.
Innovation Solution
A method and apparatus that combine electric motors for primary movement with an auxiliary cam-guided system to ensure safe and flexible operation, allowing for predefined deviations and safety trajectories to prevent accidents.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If electric motors are used to move the operating assembly along a predefined trajectory, then the system achieves high flexibility and ease of operation, but the reliability and precision of movement may be compromised
Solution Approach 1:
A cam mechanism is introduced as an intermediary element between the electric motor and the operating assembly. The cam profile defines a precise reference trajectory, while the operating assembly is guided by this cam. This intermediary structure ensures that even if the electric motor fails or deviates, the cam mechanism maintains reliable and precise movement along the predefined path, thus resolving the contradiction between ease of operation and reliability.
2Productivity
If the movement trajectory is made flexible to allow rapid changes in motion parameters, then productivity and adaptability improve, but the risk of accidents and harmful factors increases
Solution Approach 1:
The cam mechanism is designed to provide beforehand cushioning by establishing a safe reference trajectory in advance. The cam profile is pre-configured to define the exact path the operating assembly should follow, including safety margins and controlled deviation allowances. This预先 established guide prevents accidental deviations that could cause harm, while still permitting flexible and rapid changes in motion parameters through electric motor control, thus resolving the contradiction between productivity and harmful factors.
3Adaptability or versatility
If the operating assembly is allowed to deviate from the predefined trajectory within certain limits, then operational flexibility and adaptability improve, but the precision of movement deteriorates
Solution Approach 1:
The cam mechanism provides local quality by defining precise trajectory constraints at critical positions along the movement path. The cam profile is designed with specific geometric features that enforce precision at key points (such as start, end, and intermediate positions), while allowing flexibility in between these controlled points. This localized precision approach enables adaptability for different operations while maintaining manufacturing precision where it matters most.
Data Source
AI summary
Page 2 Please replace the Abstract of the specification filed as follows:A method for controlling the movement of an operating assembly of an apparatus for the automatic processing of articles includes defining, for at least one segment of the movement trajectory of the operating assembly, an acceptable deviation from the movement trajectory, such that the operating assembly can be moved in safe conditions, arranging an auxiliary guide element at a safety trajectory which is alongside the movement trajectory at a distance substantially equal to the deviation, and moving the operating assembly by means of at least one electric motor along said movement trajectory. If the operating assembly moves away from the movement trajectory by a distance equal to said deviation, the auxiliary guide element abuts the operating assembly, controlling its movement and guiding it along the safety trajectory.