Compression Belt Roller Support for Variable Load Separation
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Solution Overview
Problem
Existing separation devices for mixed substances with different flowabilities suffer from inflexibility and high wear due to unpredictable load conditions, leading to frequent replacements and downtime.
Innovation Solution
A device with controllable spring forces for individual rollers, adjusted by proportional valves connected to a control and regulation system, which detects product-specific and device-specific parameters to adapt to varying load conditions, ensuring flexible and efficient operation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a fixed spring force is used for the roller conveyor, then the device structure is simple, but the device cannot adapt to varying load conditions causing high wear and frequent replacements
Solution Approach 1:
The spring force of the roller conveyor is made dynamically adjustable through proportional valves connected to a control system. The control system receives feedback from sensors detecting product-specific parameters and device-specific parameters, then adjusts the spring force in real-time to match varying load conditions, transforming a static system into a dynamic adaptive one.
Solution Approach 2:
A feedback control system is implemented where sensors detect product-specific data (such as product type, size, weight) and device-specific data (such as pressure, position), feed this information to the control and regulation device, which then adjusts the proportional valves to optimize the spring force for current operating conditions.
2Reliability
If the press belt is supported by a fixed support device, then the manufacturing cost is low, but the device experiences high wear and downtime due to unpredictable load conditions
Solution Approach 1:
The support device transitions from a fixed configuration to a dynamic one where the spring force of individual rollers can be adjusted independently. This allows the system to adapt to unpredictable load conditions, reducing wear on the press belt and rollers, and minimizing downtime for maintenance and replacements.
Solution Approach 2:
The physical parameter of spring force is made variable rather than fixed. By changing the spring force parameter in response to detected load conditions, the system optimizes the contact pressure between the press belt and hollow drum, reducing excessive wear while maintaining effective separation performance.
3Reliability
If individual roller spring force is made controllable with proportional valves, then wear is reduced and service life is extended, but the device complexity and manufacturing cost increase
Solution Approach 1:
The roller conveyor is segmented into individually controllable rollers, each with its own proportional valve and spring force adjustment capability. This segmentation allows independent optimization of each roller's contribution to press belt support, enabling precise control over the overall contact pressure distribution.
Solution Approach 2:
Pneumatic or hydraulic proportional valves are used to control the spring force of the rollers. These valves use gas or liquid pressure to adjust the force applied by each roller, providing smooth and precise control over the support pressure without requiring complex mechanical linkages.
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 provides a low-wear, flexible device that maintains optimal performance by adjusting to changing load conditions, reducing wear and downtime, and improving the service life of components.
Implementation Method 1
the support element is designed as a roller conveyor comprising several rollers arranged one behind the other in the conveying direction of the product stream and at least partially spring-mounted
Data Source
Figure 1
AI summary
The invention relates to a device (10) for separating materials of different flowability that are mixed together, comprising a frame structure (11), a hollow drum (12) which is driven in rotation and is mounted on the frame structure (11) and has a perforated lateral surface (M), an endless compression belt (13) which can be pressed from outside against the hollow drum while being wrapped around part of the circumference of the hollow drum and which is driven in a circulating manner, a product drawing-in wedge (14) which is formed by the compression belt and the hollow drum for guiding into the device a product flow, consisting of compression material, between the hollow drum (12) and the compression belt (13) in an entry region (E) of the product flow, and a support device (15) for the compression belt (13) with at least one support element (16) which is arranged on the opposite side of the compression belt (13) from the hollow drum (12), wherein the support element (16) is designed as a roller track (17) comprising multiple rollers (18) that are arranged one behind the other in the conveying direction (F) of the product flow and are mounted at least in part in a resilient manner, the device being characterized in that the spring force at least of individual rollers (18) can be controlled. The invention further relates to a corresponding method.