Pneumatic Snack Machine Enclosed Panels and Quick-Change Dosing
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing snack production machines face challenges such as unsanitary working environments due to fume and vapor dispersion, laborious production changes, and inconsistent product expansion, particularly in pneumatically operated systems where precise control of expansion is difficult without adjusting air pressure.
Innovation Solution
A machine design featuring a load-bearing structure with enclosed panels to contain fumes and powders, a quick-change device for dosing plates, and adjustable mechanical couplings between cylinders and mould plates, allowing precise movement and expansion control without altering pneumatic pressure.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If a columnar supporting structure is used, then the machine structure is simple, but fumes and vapors disperse in the working environment
Solution Approach 1:
The patent converts the harmful dispersion of fumes and vapors into a beneficial contained flow by designing enclosed panels that guide these emissions toward extraction points. The panels transform the harmful scattering effect into a controlled directional flow that can be efficiently removed by extraction systems.
Solution Approach 2:
The patent uses panel structures that enclose the processing area to contain and direct fumes and vapors. These panels create a controlled environment that prevents harmful emissions from dispersing into the working environment while maintaining operational flexibility.
2Speed
If pneumatic cylinders are used for rapid actuation, then the pressing speed is fast, but the compressed air supply circuit is basically open causing hygiene problems
Solution Approach 1:
The patent employs pneumatic cylinders to achieve rapid pressing actuation while implementing a closed-loop air supply circuit. This hydraulic/pneumatic system maintains the speed advantage while eliminating the open circuit hygiene problems by recirculating and filtering the compressed air.
Solution Approach 2:
The patent creates a controlled pneumatic environment using closed circuits that prevent contamination. The compressed air system is designed to maintain a clean, controlled atmosphere throughout the pressing operation, preventing hygiene issues associated with open circuits.
3Speed
If pneumatic cylinders with open circuits are used, then rapid actuation is possible, but special expedients like two cylinders in series are needed
Solution Approach 1:
The patent uses a closed-circuit pneumatic system that enables rapid actuation without requiring complex multi-cylinder configurations. The closed-loop design allows for efficient air recirculation and pressure management, achieving fast pressing speeds with a simpler single-cylinder configuration per mould plate.
4Device complexity
If the machine structure is columnar, then the structure is compact, but scraps and powders disperse on the flooring
Solution Approach 1:
The patent implements enclosed panel structures that contain the processing area, preventing scraps and powders from dispersing onto the flooring. These panels create a contained environment that captures debris while maintaining a compact machine footprint.
Solution Approach 2:
The patent converts the harmful scattering of scraps and powders into a contained collection system. The enclosed panels redirect debris toward collection points, transforming the dispersal problem into an organized collection process that maintains floor cleanliness.
5Adaptability or versatility
If dosing plate replacement is required for production changes, then product variety can be achieved, but the operation is time-consuming and laborious
Solution Approach 1:
The patent implements a quick-change device that enables rapid replacement of dosing plates through a dynamic, tool-free mechanism. The system allows operators to quickly swap plates by simply pulling a lever, transforming a laborious multi-step process into a simple, fast operation that maintains product variety capability.
Solution Approach 2:
The quick-change device is pre-configured with alignment features and locking mechanisms that automatically guide the dosing plate into the correct position during replacement. This preliminary design of the coupling mechanism eliminates the need for manual alignment and adjustment, reducing replacement time significantly.
6Adaptability or versatility
If pneumatic pressure is adjusted to control expansion, then product variety can be achieved, but operating precision becomes difficult to maintain
Solution Approach 1:
The patent implements adjustable mechanical couplings that allow precise control of mould plate movement through mechanical means rather than pneumatic pressure adjustment. This enables product variety through controlled mechanical stroke variations while maintaining consistent expansion by keeping pneumatic pressure stable.
Solution Approach 2:
The patent introduces adjustable mechanical couplings as an intermediary between the pneumatic cylinder and the mould plate. This intermediary mechanism allows for precise mechanical adjustment of the plate's movement parameters without affecting the pneumatic pressure, thereby maintaining expansion consistency while achieving product variety.
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 enhances working environment hygiene, simplifies production changes, and ensures high precision in snack thickness and expansion, reducing the risk of inconsistent products and operational inefficiencies.
Implementation Method 1
pneumatically operated presses... basically open compressed gas supply circuit
Implementation Method 2
heated presses, configured to compress and heat a dose of raw material
Implementation Method 3
the cereal grains are subjected to a phase of compression and heating, so as to expand considerably
Data Source
AI summary
A machine for preparing snacks comprises a source of compressed gas (CA) and pneumatic actuators (1001, 2001, 1002, 2002) for causing displacements among an upper mould plate (UP), a lower mould plate (LP) and an intermediate mould plate (IP). The pneumatic actuators (1001, 2001, 1002, 2002), comprise a compression pneumatic-cylinder (1001, 1002) having a plunger (102) delimits a first and second chambers (A, B) having variable volume. The second chamber (B) is connected with the source of compressed gas (CA) via a first duct (L1, La1, La2), the first chamber (A) is connectable to the second chamber (B) through a second duct (SLa, SLb), and the first chamber (A) is also connected to the second chamber (B) via a third duct (EL). A flow-regulator device (FR1, FR2) is set on the second duct (SLa, SLb), and a shut-off member (CV1, CV2) is set on the third duct (EL).