Filling Nozzle Mechanical Cam Synchronized Closure
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Solution Overview
Problem
Existing filling devices face challenges with precision and reliability, particularly with high-fluidity products like water, due to mechanical tolerances and lack of synchronization with the tap's motion, leading to leaks and inefficiencies in handling products with varying fluidity and textures.
Innovation Solution
A filling device with a nozzle featuring a mechanical cam that allows synchronized closure with the tap, enabling adjustable motion and an internal chamber expansion system for vacuum creation, ensuring precise and instantaneous closure, and capable of handling products with pieces or filaments.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If a mechanical cam system is used to control valve opening/closing, then the device complexity is reduced and cost is lowered, but the sealing function is reduced and leaks occur especially with high-fluidity products
Solution Approach 1:
The valve control is segmented into two independent systems: a mechanical cam system for opening the valve and a pneumatic actuation system for closing the valve. This segmentation allows each system to perform its function optimally - the mechanical cam provides simple, cost-effective opening control while the pneumatic system ensures reliable, leak-free closing even with high-fluidity products.
2Manufacturing precision
If the valve opening/closing is synchronized with the tap, then the filling precision is improved, but the adaptability to vary the law of motion for different product types is reduced
Solution Approach 1:
The system dynamically adjusts the valve closure timing and motion profile based on product characteristics. The control system can modify the law of motion for valve closing to optimize performance for different product types (high-fluidity vs. viscous products) while maintaining synchronization with the tap operation for precise filling control.
3Reliability
If pneumatic or spring actuation is used for valve opening/closing, then the reliability and wear resistance are improved, but the device complexity and cost increase
Solution Approach 1:
The system merges mechanical and pneumatic actuation methods into a unified valve control system. The mechanical cam provides the opening force while the pneumatic actuator provides the closing force, combining the simplicity and cost-effectiveness of mechanical systems with the reliability and wear resistance of pneumatic systems.
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
The solution provides precise and reliable filling with reduced cycle time, eliminating dripping, and accommodating various product textures by allowing adjustable closure and synchronized motion with the tap, enhancing filling precision and efficiency.
Implementation Method 1
The relative lifting/lowering motion occurs by a mechanical cam (40) having a profile adapted to define a specific law of motion during said relative lifting/lowering motion
Implementation Method 2
an internal chamber expansion system for vacuum creation, ensuring precise and instantaneous closure
Data Source
Figure 1a
Figure 1b
Figure 2a~2b
AI summary
A device (1) for filling containers (100) with a preferably liquid filling product, or a product with two phases, installable on a filling machine (200), wherein each container (100) is positioned below the filling device (1), said device (1) comprising from the top down a doser (50), a tap (60) and a nozzle (10) located in the proximity of the container (100), wherein through the tap (60), a corresponding amount of filling product is introduced into the doser (50) and subsequently transferred to the nozzle (10), which comprises an outlet mouth (11) from which the product exits to be introduced into the container (100), characterized in that said nozzle (10) comprising an outer body (30) and an inner body (20) that is in fluid communication with the doser (50), said nozzle (10) is configured to allow/prevent the passage of the product to the container (100) by a relative lifting/lowering motion between the outer body (30) and the inner body (20), wherein said relative lifting/lowering motion occurs by a mechanical cam (40) having a profile adapted to define a specific law of motion during said relative lifting/lowering motion.