Magnetic Holding Device for Panel Goods
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Solution Overview
Problem
Existing transport devices for panel-shaped goods, particularly ferromagnetic panels, incur high manufacturing and operational costs due to complex magnetic systems and high energy consumption, making them inefficient and costly to operate.
Innovation Solution
A transport device with a magnetic holding device that uses a ferromagnetic armature to shift magnetic field lines, allowing for efficient activation and deactivation by moving the armature between positions, reducing energy consumption and production costs, and optionally incorporating a vacuum holding device for non-ferromagnetic panels.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If an electromagnet is used to compensate for the magnetic field of permanent magnets, then the goods can be released from the transport means, but the manufacturing costs are high
Solution Approach 1:
The invention extracts the electromagnet component from the system and replaces it with a purely mechanical armature displacement mechanism. The release function is achieved by mechanically moving the armature to redirect field lines, eliminating the need for expensive electromagnetic compensation systems while maintaining reliable holding and release functionality
Solution Approach 2:
The invention replaces expensive electromagnetic components with simple, inexpensive mechanical parts. The armature is a straightforward mechanical component that can be easily manufactured and replaced if needed, significantly reducing manufacturing costs compared to electromagnetic displacement systems
2Reliability
If a vacuum system is used to hold non-ferromagnetic goods, then the goods can be held on the transport means, but the energy consumption is high
Solution Approach 1:
The invention replaces the vacuum system (pneumatic/hydraulic system) with a magnetic field-based mechanical system. The magnetic field interacts directly with ferromagnetic goods to provide holding force, eliminating the need for continuous energy input required by vacuum systems and significantly reducing operational energy consumption
Solution Approach 2:
The invention changes the fundamental parameter from pneumatic pressure (vacuum) to magnetic field strength. By utilizing the magnetic properties of ferromagnetic materials, the system achieves reliable holding without the high energy consumption associated with maintaining vacuum conditions
3Ease of operation
If permanent magnets and switchable electromagnets are used, then the armature can be displaced axially, but the device complexity increases
Solution Approach 1:
The invention extracts the electromagnet from the system entirely, leaving only permanent magnets and a mechanical armature displacement mechanism. This simplifies the magnetic system by removing the complex electrical components while maintaining the ability to displace the armature for release functionality
Solution Approach 2:
Instead of using electromagnets to create or modify magnetic fields, the invention inverts the approach by using permanent magnets for field generation and a mechanical armature to control field line routing. This inversion simplifies the system by replacing active electromagnetic control with passive magnetic fields and mechanical positioning
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 cost-effective and energy-efficient transportation and stacking of panel-shaped goods by minimizing manufacturing costs and energy usage, while ensuring reliable holding and release mechanisms, suitable for both ferromagnetic and non-ferromagnetic materials.
Implementation Method 1
a permanent magnet arrangement which generates a magnetic field with which ferromagnetic goods can be held on the transport means
Implementation Method 2
The magnetic field of the permanent magnet arrangement keeps the goods on the means of transport
Implementation Method 3
it comes into the effective range of the poles and causes the field lines to change their course, preferably in such a way that they no longer reach the goods, but instead take a shorter route, in particular according to the principle of a magnetic short circuit
Data Source
Figure 1
Figure 2~4
Figure 5~7
AI summary
The invention relates to a transport fixture for ferromagnetic panels, such as sheet steel panels or the like, having a retaining device (11) that can be activated or deactivated for retaining or releasing the goods on or from a transport means (6), particularly in the overhead position, wherein the retaining device (11) comprises a magnetic retaining device (12). According to the invention, the magnetic retaining device (12) comprises two permanently magnetically excited poles (16a, 17a) forming a magnetic field (32), wherein field lines (31) of the magnetic field (32) run from pole (16a, 17a) to pole (16a, 17a), and having at least one ferromagnetic armature (23) displaceably disposed such that, in a first position – for activating the retaining device (11) – at least a portion of the field lines (31) are released by said armature for permeating the corresponding goods (2), and in a second position – for deactivating the retaining device (11) – at least a portion of the field lines (31) runs through said armature.