Magnetic Actuator for Container Valve Positioning
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Solution Overview
Problem
Current container treatment systems face challenges in quickly and precisely adjusting valves and diverting devices to handle high production speeds, often requiring complex and expensive mechanisms that are susceptible to wear, leading to increased maintenance and compressed air consumption.
Innovation Solution
A container treatment system utilizing a magnetic actuator-based adjustment device that allows for precise, quick, and variable positioning of valve or diverting device elements, enabling intermediate positions and reducing maintenance needs, with a compact design that eliminates the need for additional throttles and minimizes compressed air usage.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If current pneumatic mechanisms are used to adjust valves and discharge devices, then the system can operate at high production speeds, but the mechanisms are prone to wear requiring intensive maintenance and consume excessive compressed air
Solution Approach 1:
The patent replaces pneumatic adjustment mechanisms with a magnetic field-based actuator system. The magnetic actuator uses electromagnetic fields to directly drive the adjustment element between positions, eliminating the need for pneumatic cylinders, valves, and associated mechanical linkages. This substitution removes wear-prone components while maintaining the ability to operate at high production speeds up to 40,000 tanks per hour.
Solution Approach 2:
The patent changes the fundamental operating parameter from pneumatic pressure-driven mechanical movement to magnetic field-driven direct actuation. The magnetic actuator generates controlled magnetic forces that directly move the adjustment element, providing precise position control without the compression and expansion cycles required by pneumatic systems, thereby eliminating the need for compressed air consumption.
2Productivity
If pneumatic mechanisms are used for adjustment, then the system can handle high production speeds, but switching times vary considerably by ± 2 ms requiring more control air
Solution Approach 1:
The magnetic actuator provides electronically controlled position adjustment with consistent switching times. By using magnetic field generation and control rather than pneumatic pressure cycles, the system achieves uniform switching performance without the ± 2 ms variation inherent in pneumatic systems, eliminating the need for additional control air to compensate for timing variations.
Solution Approach 2:
The patent incorporates feedback control through a control unit that monitors the position of the adjustment element and adjusts the magnetic actuator accordingly. This closed-loop control ensures consistent switching times by detecting actual position and making real-time corrections, eliminating the timing variations that would require excessive control air in open-loop pneumatic systems.
3Manufacturing precision
If intermediate positions are achieved with additional mechanically adjustable stops, then the valve or discharge device can be precisely positioned, but the system becomes complex and expensive
Solution Approach 1:
The magnetic actuator enables direct electronic control of the adjustment element to any desired position within its range, eliminating the need for multiple mechanical stops. The control unit can command the actuator to position the element at any intermediate location with high precision, replacing what would otherwise require a complex array of mechanically adjustable stops for each possible position.
Solution Approach 2:
The patent transforms the static, discrete positioning approach using mechanical stops into a dynamic, continuous positioning system using the magnetic actuator. The adjustment element can be smoothly and precisely positioned at any point along its travel range by varying the magnetic field strength and duration, providing infinite intermediate positions rather than fixed discrete locations.
4Ease of operation
If pneumatic mechanisms are used for adjustment, then the system can operate valves and discharge devices, but response times are longer than desired due to the switching edge required before pressure rises
Solution Approach 1:
The magnetic actuator eliminates the pneumatic pressure build-up delay inherent in pneumatic systems. When the control unit activates the magnetic actuator, the magnetic field is generated immediately and directly drives the adjustment element without requiring pressure accumulation. This removes the switching edge delay and provides immediate response times suitable for high-speed production operations.
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 enables efficient, reliable, and cost-effective operation at high production speeds, reducing switching time variability and maintaining consistent behavior, thereby improving container quality and reducing energy consumption.
Implementation Method 1
an adjusting device for adjusting the element between a first and a second position, wherein the adjusting device has a magnetically operating actuator such that a rotary movement caused by the actuator adjusts the element between its first and its second position
Data Source
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AI summary
The invention provides a container-handling installation (1) and a method for adjusting a valve (70; 90) or a discharging device (130) of a container-handling installation (1). The container-handling installation (1) comprises at least one element (76; 93; 131) for handling containers, wherein the element (76; 93; 131) is part of a valve (70; 90) or of a discharging device (130), and also comprises an adjusting device (71, 72; 93, 98, 99, 100; 72, 134) for adjusting the element (76; 93; 131) between a first and a second position (81, 82), wherein the adjusting device (71, 72; 93, 98, 99, 100; 72, 134) has a magnetically operating actuator (72; 100), such that a rotary movement brought about by the actuator (72; 100) adjusts the element (76; 93; 131), with the aid of a mechanism (73 to 78; 93, 98, 99; 134), between its first and its second positions (81, 82).