Removable Pelletizer Die With Precision Pins for Easier Cleaning
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing pelletizing systems face issues with jamming due to accidental reintroduction of dry materials and difficulty in cleaning and reassembling the pelletizer die, leading to inefficiencies and material waste.
Innovation Solution
A removable pelletizer die with precision pins and a machined drive side shaft seal, allowing easy disassembly and reinstallation, along with a single-part pusher face wedge, to prevent jams and facilitate cleaning.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If the pelletizer die is made fixed and non-removable, then the device structure is simpler, but cleaning and maintenance become difficult leading to material waste
Solution Approach 1:
The pelletizer die is divided into separable components including the die body, flange, and perforated plate sections that can be detached from each other. This segmentation allows each component to be easily removed and cleaned independently, solving the maintenance accessibility problem while maintaining structural integrity during operation
Solution Approach 2:
The pelletizer die transitions from a fixed state during operation to a removable state during maintenance. Quick-release fastening mechanisms enable the die to be dynamically reconfigured between operational and maintenance modes, allowing easy access for cleaning without permanent disassembly
2Ease of repair
If the pelletizer die is made removable for cleaning, then cleaning efficiency improves, but device complexity increases
Solution Approach 1:
The die is segmented into standardized modules with uniform connection interfaces. This modular design reduces the complexity of disassembly and reassembly by providing consistent fastening and locating features across all components, making the removable design practical rather than complicated
Solution Approach 2:
Precision locating pins and machined reference surfaces are built into the die components during manufacturing. These preliminary alignment features ensure that when the die is reassembled after cleaning, all components automatically return to their correct positions without requiring complex alignment procedures
3Manufacturing precision
If precision pins and flanges are added for removable die attachment, then alignment accuracy improves, but manufacturing complexity increases
Solution Approach 1:
Precision locating pins and flange reference surfaces are manufactured as integral features of the die components during the initial manufacturing process. This preliminary incorporation of alignment features ensures high reinstallation accuracy without requiring additional complex assembly steps or specialized manufacturing equipment later
Solution Approach 2:
The precision pins and flange geometries are designed to self-align the die components during reassembly. The locating pins automatically guide the components into correct positions, and the flange surfaces provide self-centering, reducing the need for complex external alignment tools or procedures
Data Source
AI summary
A pelletizer with a removable pelletizer die is disclosed, including a plurality of bolts and a plurality of precision pins each provided in a plurality of flanges to fasten a pelletizer die. The plurality of bolts and the plurality of precision pins enable an operator to disassemble and clean a pelletizer die and replace the pelletizer die in a suitable position. A drive side shaft seal and an end each include a removable internal bushing, a larger surface and packing with an outside flange surface using the plurality of bolts to compress the packing.