Open Guide Profile Pressure Roller Station
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Solution Overview
Problem
Existing pressure roller stations in rotary presses face challenges such as noise pollution due to vibrations, limited ability to absorb large pressing forces, and poor accessibility for maintenance, leading to increased downtime and personnel costs.
Innovation Solution
A pressure roller station with an open guide profile and adjustable pressure roller axes, allowing for parallel alignment and independent adjustment of upper and lower mounts, which absorbs large forces while minimizing frame vibrations and enabling easy maintenance without removing the entire station.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If the frame is formed from an open guide profile with pressure roller axes mounted on adjustable mounts, then accessibility for maintenance is improved, but the ability to absorb large pressing forces is reduced
Solution Approach 1:
The pressure roller station is divided into separate adjustable mounts that can be independently positioned along the open guide profile. This segmentation allows maintenance personnel to access and adjust individual components without dismantling the entire structure, while the distributed mounting points maintain structural integrity for force absorption.
Solution Approach 2:
The pressure roller axes are mounted on adjustable mounts that can be dynamically repositioned along the guide profile. This dynamic adjustability enables optimization of the pressing force distribution while maintaining accessibility, as the mounts can be locked at various positions to accommodate different maintenance needs without compromising the overall force-absorbing capability of the open guide profile structure.
2Force
If the pressure roller axes are fixed on a closed guide profile, then the structure can absorb large pressing forces, but accessibility for maintenance is poor
Solution Approach 1:
Instead of making the guide profile itself adjustable, the invention inverts the approach by making the pressure roller mounts adjustable along a fixed open guide profile. This allows the structural integrity of the guide profile to remain for force absorption while the adjustable mounts provide maintenance accessibility, solving both requirements simultaneously.
3Ease of repair
If the entire pressure roller station is removed for component replacement, then maintenance can be performed, but downtime increases
Solution Approach 1:
The pressure roller station is segmented into independently replaceable mounts and components that can be accessed through the open guide profile. This allows individual components to be replaced without removing the entire station, significantly reducing downtime while maintaining the structural integrity needed for force absorption.
Solution Approach 2:
Individual pressure roller components and mounts can be extracted and replaced through the open sides of the guide profile without dismantling the entire pressure roller station. This extraction capability enables rapid maintenance while the remaining structure continues to support pressing forces, minimizing production downtime.
4Force
If the pressure roller mounts are made rigid to absorb forces, then pressing force absorption is improved, but adjustability is reduced
Solution Approach 1:
The mounts incorporate adjustable elements that allow rigid positioning at selected locations along the guide profile. The adjustability mechanism enables the mounts to be firmly secured at desired positions for optimal force absorption, while still allowing repositioning when maintenance or configuration changes are needed, thus combining rigidity with adaptability.
Data Source
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AI summary
The invention relates to a pressure roller station (100) for rotary presses (90) comprising two pressure roller shafts (20) incorporating pressure rollers, wherein a guide profile (1) of the pressure roller station (100) is configured to be open and the pressure roller shafts (20) are arranged on upper and lower pressure roller accommodations (2, 3) adjustable with respect to one another and guided by the guide profile (1), wherein the pressure roller shafts (20) are arranged parallel to two side parts (112, 113) of the guide profile (1).