Straw Application Drive Means Zero Acceleration Control
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Solution Overview
Problem
Existing machines for applying drinking straws to packaging containers experience substantial vibrations and strain during ultra-high speed production, leading to inefficient operation.
Innovation Solution
A method and apparatus that adapt the motion cycle of the drive means to maintain zero acceleration and set point velocity when picking drinking straws, with a control device adjusting the motion cycle based on detected pitch variations between packaging containers, and using a pitch control device to synchronize the conveyor speed and maintain a constant velocity.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If the drive means operates at ultra high speed with continuous acceleration and deceleration to maintain productivity, then production output increases, but vibrations and mechanical strain increase substantially
Solution Approach 1:
The motion cycle of the drive means is dynamically adapted to maintain zero acceleration at the picking position while allowing acceleration and deceleration at other positions. This dynamic adjustment reduces vibrations and mechanical strain during ultra-high speed operation while maintaining productivity of 40,000-50,000 packages per hour.
Solution Approach 2:
The acceleration parameter of the drive means is changed to be substantially zero at the picking position, while velocity is maintained at set point velocity. This parameter optimization reduces harmful vibrations without compromising production output.
2Productivity
If the drive means maintains constant high speed to improve productivity, then production efficiency increases, but mechanical strain on motors increases
Solution Approach 1:
The drive means operates with a dynamically optimized motion cycle that maintains set point velocity at the picking position while reducing acceleration to zero at this critical position. This reduces mechanical strain on motors during ultra-high speed production.
3Adaptability or versatility
If the application device picks drinking straws at varying pitch intervals to adapt to different packaging containers, then adaptability improves, but velocity variations cause vibrations
Solution Approach 1:
The motion cycle of the drive means is adapted based on detected pitch between packaging containers, while maintaining zero acceleration and set point velocity at the picking position. This feedback mechanism allows adaptability to different pitch intervals while minimizing vibrations.
Data Source
AI summary
The invention relates to a method of operating an apparatus for applying drinking straws to packaging containers. The method comprises the steps of performing a motion cycle of a drive means for bringing at least one drinking straw into a picking position, and adapting said motion cycle such that, at the point when an application device picks the drinking straw at the picking position, the acceleration of the drive means is substantially zero and the velocity of the drive means is kept at a set point velocity. The invention also relates to an apparatus being operated according to the method.