Spring-Loaded Deflection Roller for Bulk Material Separation
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Solution Overview
Problem
Existing bulk material separation technologies are complex and require multiple drives and controls, making them costly and difficult to adapt to different materials, especially when handling products that need to be separated individually for packaging.
Innovation Solution
A simplified separating belt unit with a spring loop that adjusts its size based on the bulk material's weight, using a single drive and control system, and incorporating a transverse spreading device to maintain product spacing, ensuring products are separated efficiently and in a single layer.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If multiple independent drives and control systems are used for container belt and transport belt, then product separation and spacing can be controlled independently, but device complexity and cost increase significantly
Solution Approach 1:
The patent combines the container belt unit and transport belt unit into a single integrated belt that performs both functions. The belt forms a container loop for storing bulk material and a transport section for moving separated products, eliminating the need for separate drives and control systems while maintaining functional independence through the spring loop mechanism
Solution Approach 2:
The single integrated belt serves multiple functions: it acts as both the container belt for bulk material storage and the transport belt for product conveyance. The spring-loaded deflection roller enables the same belt structure to dynamically adjust container loop size while simultaneously controlling product discharge and spacing
2Adaptability or versatility
If fixed-size container loop is used, then structure is simple, but cannot adapt to varying bulk material volumes and weights
Solution Approach 1:
The container loop size is made dynamic through the spring-loaded deflection roller that automatically adjusts the loop dimensions based on the bulk material's weight and volume. The spring characteristic can be varied to adapt to different material properties, allowing the system to handle varying quantities and types of bulk material without manual reconfiguration
Solution Approach 2:
The spring characteristic (spring constant) of the spring-loaded deflection roller can be varied to adapt to different bulk material specific weights. This parameter change allows the same mechanical structure to handle materials with different densities and volumes by adjusting the spring stiffness accordingly
3Productivity
If product carpet on transport belt is too dense, then more products can be transported, but individual product separation and spacing are compromised
Solution Approach 1:
The spring loop applies a controlled excessive force to push products apart as they discharge from the container loop onto the transport section. This partial action (affecting only the discharge region) ensures adequate spacing between individual products while maintaining high throughput, as the spacing function is localized to where products leave the container loop
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 allows for automatic adaptation to varying bulk material volumes and weights, reducing complexity and costs while ensuring products are separated efficiently and spaced appropriately for further processing, such as packaging.
Implementation Method 1
a spring loop in which the container belt runs over a spring deflection roller (26a) that is movable in the direction of increasing or decreasing the size of this spring loop and is preferably pre-tensioned
Data Source
Figure 1a
Figure 1b
Figure 2a
AI summary
To separate bulk material located in the container loop (22) of a container belt unit (20) into individual products (P), a horizontal transport section (31a) of a discharge belt (31) of a discharge belt unit (30) is connected to the container loop (22) and in the return direction of the belt at least one spring-loaded deflecting roller (26a) is provided in the transverse direction (2) to the direction of travel (1), wherein the spring stiffness of the spring (26e) acting on the deflecting roller (26a) is selected or set in relation to the weight of the bulk material stored in the container loop (22) such that products (P) are continuously transferred via the front, downstream container deflecting roller (23a) onto the transport section (31a) by lifting the bottom of the container loop (22). A scraper (28) can be used to prevent products (P) from lying on top of each other.During continuous or batch refilling of the container loop (22), its bottom automatically lowers as the spring of the spring-loaded deflection roller (26a) yields accordingly.