Automated Paper Straw Production Machine with Integrated Processing
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Solution Overview
Problem
Existing machines for automated production of paper straws are expensive, bulky, and have low hourly production capacity, often resulting in costly and inefficient production of straws with pointed ends and flexible areas, which are not easily packaged for hygiene and storage.
Innovation Solution
A machine comprising a feed unit, deformation unit, cutting unit, bending unit, and packaging unit that works in sequence to create bellows, oblique cuts, and bends in paper straws, allowing for continuous production of compact, hermetically sealed straws with high hourly productivity and minimal maintenance.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If separate working steps are used to produce paper straws with pointed ends and flexible areas, then the straws can be produced with required features, but the machine becomes bulky and expensive
Solution Approach 1:
The patent combines multiple separate working steps (forming flexible areas, making oblique cuts, creating pointed ends) into a single integrated processing unit that performs all operations simultaneously on the tubular element in one pass, eliminating the need for multiple separate machines and reducing overall system complexity
Solution Approach 2:
The processing unit is designed as a universal device capable of performing multiple functions: creating flexible areas through localized deformation, making oblique cuts at specific angles, and forming pointed ends, all within a single integrated structure that handles various straw configurations
2Manufacturing precision
If separate working steps are used for straw production, then each operation can be optimized, but the hourly production capacity decreases
Solution Approach 1:
The integrated processing unit operates continuously as tubular elements pass through it, performing all necessary operations (deformation, cutting, shaping) in a single uninterrupted pass without stopping between steps, thereby maximizing production throughput while maintaining quality
Solution Approach 2:
The flexible areas are formed in advance during the same pass that creates the final straw shape and cuts, preparing the straw for subsequent folding and packaging operations without requiring additional processing time
3Manufacturing precision
If traditional machines are used to produce straws with flexible areas, then the straws can be made, but the machine requires frequent maintenance and has low reliability
Solution Approach 1:
The processing unit is designed with self-cleaning features and automated adjustment mechanisms that reduce the need for manual intervention and maintenance, with components that resist wear and can be easily cleaned between production runs
Solution Approach 2:
The patent employs simple, easily replaceable cutting blades and deformation tools that can be quickly swapped when worn, rather than requiring complex maintenance procedures on expensive components
4Ease of operation
If straws are produced without integration of working steps, then each step can be independently controlled, but the overall production cost increases
Solution Approach 1:
By combining multiple operations into one integrated unit, the patent achieves economies of scale where the cost per straw decreases due to reduced material handling, lower energy consumption, and minimized setup time between operations
Data Source
AI summary
Machine (10) comprising a feed unit (16) configured to feed a plurality of tubular elements, preferably made of paper, toward different working units (18, 19, 20, 21) configured to automatically carry out different workings on the tubular elements (12), including a deformation to make a bellows (13), a cut to make a pointed end (14), or an end cut obliquely, a bending in correspondence with the bellows and a packaging of each straw, the deformation being carried out before the cut.