Can Neck Forming Transfer with Vacuum Repositioning Stability
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Solution Overview
Problem
High-speed neck forming of cans faces stability issues due to increased can height, leading to jamming, production inefficiencies, and equipment damage, as existing equipment struggles to maintain stability and precision at elevated production speeds without significant structural changes.
Innovation Solution
The introduction of a loading station with a star wheel transfer turntable and multiple stable transition stations with calibration junctions ensures precise positioning and stability of cans through multiple repositioning, using vacuum adsorption grooves and turntables to maintain can stability before entering the neck forming station, allowing for high-speed processing without equipment modifications.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If production speed is increased to 3000 CPM+, then productivity is improved, but can body stability deteriorates causing jamming
Solution Approach 1:
The neck forming process is divided into multiple stations (typically 14 stations) arranged in sequence, with each station performing a specific forming operation. This segmentation allows the can body to be progressively shaped while maintaining stability at each stage, preventing jamming even at high speeds of 3000 CPM+.
Solution Approach 2:
Positioning wheels and adsorption mechanisms are introduced as intermediary components between the feeding station and neck forming stations. These intermediaries ensure stable positioning and controlled transfer of the can body, maintaining reliability during high-speed operation by reducing shaking and ensuring precise positioning at each station.
2Adaptability or versatility
If can height is increased to 211/500ml, 211/550ml, 211/568ml, then product versatility is improved, but can body stability deteriorates
Solution Approach 1:
The positioning and adsorption mechanisms are designed to dynamically adapt to different can heights. The positioning wheels can adjust their positions, and the adsorption strength can be modulated, allowing the system to maintain stable control over can bodies of varying heights (211/330ml, 211/500ml, 211/550ml, 211/568ml) without compromising reliability.
Solution Approach 2:
The system changes operational parameters such as adsorption vacuum level, positioning wheel pressure, and transfer speed to match different can heights. This parameter adjustment ensures that taller cans (211/568ml) receive appropriate stabilization forces while shorter cans (211/330ml) receive adequate but not excessive force, maintaining stability across all product variants.
3Productivity
If neck forming equipment is modified to achieve high-speed production, then productivity is improved, but device complexity and transformation cost increase
Solution Approach 1:
The positioning and adsorption mechanisms are configured in advance during equipment setup, allowing the existing neck forming equipment to operate at high speeds without requiring modifications to the core forming stations. The preliminary configuration of positioning wheels and adsorption systems enables high-speed operation while avoiding complex changes to the cam paths or forming mechanisms.
Solution Approach 2:
The solution uses positioning wheels and adsorption mechanisms that replicate successful designs from other high-speed can processing equipment. By copying proven positioning and transfer mechanisms, the system achieves high-speed operation without requiring complex custom modifications to the existing neck forming equipment, reducing transformation workload and complexity.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
This solution enhances can stability and processing precision, preventing jamming and equipment damage, while reducing transformation costs and complexity, enabling high-speed production with improved efficiency and maintaining forming quality.
Implementation Method 1
a loading transfer turntable, which is a star wheel with several vacuum adsorption grooves uniformly distributed on circumferential surface, and the vacuum adsorption grooves are in a circular arc shape, used for adsorbing and positioning can body of can
Data Source
AI summary
Equipment for high-speed stable neck is modularized on existing equipment and achieves high-speed production by ensuring can stability when entering the can neck forming mold forming through multiple repositioning and includes a loading station and sets of neck forming stations; the loading station includes a loading transfer turntable, with vacuum adsorption grooves on circumferential surface; a stable transition station is between the loading and neck forming stations; the stable transition station includes first and second stable turntables, each having vacuum adsorption grooves on circumferential surface; when the first stable and loading transfer turntables rotate, the can body enters the first stable turntable vacuum adsorption groove through the first calibration junction from the loading transfer turntable vacuum adsorption groove; when the first and second stable turntables rotate, the can body enters the second stable turntable vacuum adsorption groove through the second calibration junction from the first stable turntable vacuum adsorption groove.