Magnetic Bar Pick-Up Head for Accurate Counting and Alignment
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Solution Overview
Problem
Existing bar-picking devices struggle to accurately pick up the correct number of bars, often resulting in errors and inefficiencies, especially with long bars that remain twisted or curved, making them unsuitable for use.
Innovation Solution
A pick-up device with a support arm and temporary support means, including a central and lateral supports, aligns and extracts bars from a feed plane to a delivery plane, using a magnetic or electromagnetic gripping matrix and vertical secondary supports to maintain bars in a linear condition.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If conventional magnetic pick-up arms are used to extract bars from a feed plane, then the picking operation can be performed, but the correct number of bars cannot be accurately extracted and bars are picked up randomly without spatial orientation
Solution Approach 1:
The pick-up device is divided into multiple independent magnetic pick-up heads, each capable of picking up a specific number of bars. The support arm can selectively position individual pick-up heads to extract the exact number of bars required, enabling precise bar counting and selection rather than random pickup.
Solution Approach 2:
A support arm acts as an intermediary mechanism between the feed plane and the pick-up heads. It provides controlled movement and positioning capabilities, allowing the pick-up heads to be precisely positioned over the feed plane to extract bars with specific spatial orientations and in the correct quantities.
2Shape
If bars are picked up from a feed plane without alignment mechanisms, then the picking operation is simple, but the bars are not in a substantially linear condition with respect to their direction of development
Solution Approach 1:
The device performs preliminary alignment of bars on the feed plane before pickup. The support arm positions the pick-up heads to engage bars that are already in or brought to a substantially linear condition, ensuring proper orientation is established before the bars are extracted and transferred to the delivery plane.
Solution Approach 2:
The system incorporates detection means that provide feedback on the position and orientation of bars on the feed plane. This feedback enables the support arm and pick-up heads to adjust their positioning to ensure bars are picked up in the correct linear orientation, allowing the device to adapt to variations in bar positioning.
3Stability of the object's composition
If very long bars exceeding 25m are handled with conventional devices, then they can be picked up, but they remain twisted and curved making them unsuitable for use
Solution Approach 1:
The support arm can selectively position and operate multiple pick-up heads independently along the length of long bars. This segmentation allows different sections of the bar to be handled and aligned separately, enabling the device to address twisted and curved conditions at specific locations rather than treating the entire bar as a single unit.
Solution Approach 2:
The invention replaces conventional mechanical handling methods with a magnetically-based pickup system controlled by a programmable logic controller. This substitution enables precise, automated positioning and alignment of long bars, reducing manual intervention and improving the ability to handle and straighten very long bars efficiently.
4Productivity
If automated pick-up devices are used to increase productivity, then bars can be picked up faster, but errors in counting and repositioning occur causing waste of time and inefficiencies
Solution Approach 1:
The device incorporates detection means that continuously monitor the position and number of bars on the feed plane. This feedback system works in conjunction with the programmable logic controller to verify bar counts and positions in real-time, enabling the automated system to maintain high productivity while ensuring accurate counting and positioning without errors or repositioning requirements.
Solution Approach 2:
The programmable logic controller automatically manages the entire pick-up operation based on feedback from detection means. The system self-regulates the positioning and extraction of bars, counting them accurately during the pickup process itself, eliminating the need for separate counting operations and reducing errors that would require repositioning.
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
Ensures accurate and efficient picking of bars, preventing errors and maintaining them in a linear orientation for proper use, suitable for bars of varying lengths and diameters.
Implementation Method 1
using a magnetic or electromagnetic gripping matrix
Data Source
Figure 1
Figure 1a
Figure 2~2b
AI summary
Pick-up device (10) configured to selectively pick up and extract at least one bar (B) from a plurality of bars (B) disposed on a feed plane (111) and to position it on a delivery plane (12), said pick-up device (10) comprising a support arm (11) terminally provided with a pick-up head (12). The present invention also concerns an apparatus (100) for feeding bars (B) comprising the device (10) as above and a corresponding method for picking up bars (B).