Remote Alignment Adjustment Device for Pelletizer Cutter Plate
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Solution Overview
Problem
The alignment of the cutter plate in a pelletizer is critical for producing high-quality polymer pellets, but existing methods lack precision, especially when polymer strands are still hot and prone to deformation, affecting the cutting profile.
Innovation Solution
A remote alignment adjustment device connected to a data processing device, equipped with a mechanical distance measurement probe and a camera, is used to measure and adjust the alignment of the cutter plate relative to the die plate, ensuring optimal orientation and distance for precise cutting.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If traditional alignment methods are used to align the cutter plate, then the alignment process can be completed, but the precision is insufficient especially when polymer strands are hot and prone to deformation
Solution Approach 1:
The patent replaces traditional mechanical alignment methods with an optical measurement system. A camera is mounted on the cutter plate to capture images of the die plate apertures, and image processing algorithms calculate alignment deviations. This optical system provides higher measurement precision without mechanical contact, preventing heat transfer and deformation to the hot polymer strands.
Solution Approach 2:
The patent creates a digital copy (image) of the die plate aperture arrangement through camera photography. This optical copy is then processed computationally to determine alignment parameters. The copying approach allows precise measurement without physical contact with the hot components, maintaining both measurement accuracy and thermal isolation.
2Loss of time
If the cutter plate is aligned when polymer strands are hot, then alignment can be performed quickly, but the strands are prone to deformation affecting cutting quality
Solution Approach 1:
By using optical imaging and computational analysis instead of mechanical measurement tools, the system enables rapid alignment assessment without physical contact. The camera captures the aperture pattern instantly, and software processes the image to provide alignment feedback, reducing alignment time while maintaining precision even with hot strands present.
3Measurement precision
If a remote alignment adjustment device is used, then alignment precision is improved, but the device complexity increases
Solution Approach 1:
The patent uses a camera to create an optical copy of the die plate aperture arrangement. This digital representation is then analyzed computationally to determine alignment parameters. The copying approach simplifies the physical device structure while enabling precise measurement through image processing algorithms.
Solution Approach 2:
The patent introduces an intermediary optical system (camera and image processing software) between the cutter plate and the alignment assessment. This intermediary captures and analyzes the aperture pattern without requiring complex mechanical measurement apparatus, reducing overall device complexity while maintaining high measurement precision.
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
This method enables accurate alignment of the cutter plate, improving the quality of polymer pellets by minimizing deformation and ensuring a well-defined cutting profile, even when strands are still hot, through precise mechanical and angular adjustments.
Implementation Method 1
the mechanical distance measurement probe contacts a first position of the die plate obtaining measuring data of the first position in form of photos or videos
Implementation Method 2
a camera for taking photos or videos
Implementation Method 3
the die plate has at least in a section a temperature of 180 to 280° C. that is maintained using a heating fluid
Data Source
AI summary
A method for aligning a cutter plate in a pelletizer for polymer pellets using a remote alignment adjustment device having a mechanical distance measurement probe and a camera for taking photos or videos. The remote alignment adjustment device is attached to the drive shaft of the cutter plate and rotates with the shaft to correct the alignment in different positions of the die plate. Additionally, a process for preparing polyethylene pellets in a pelletizer using the method for aligning the cutter plate.