Tiered Strand Processing Device with Reversing Roller Feed
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Solution Overview
Problem
Existing devices for producing strand-shaped products like synthetic bands and monofilaments require long machine layouts, leading to inefficient operation and space usage, as they rely on linear roller feed units and predetermined material flow directions, which complicates operator access and energy management.
Innovation Solution
The device features multi-level processing units with roller feed units at opposite ends, allowing products to pass through in both directions, enabling compact design, independent heating channels, and precise thermal control, reducing energy losses and operator travel distances.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If roller feed units are disposed successively in a linear arrangement, then the material flow is predetermined and simple to control, but the machine requires long longitudinal surfaces and operator travel distances increase
Solution Approach 1:
The patent transitions from a linear one-dimensional arrangement of roller feed units to a multi-level three-dimensional configuration. Processing devices are stacked vertically with roller feed units positioned at opposite ends, allowing products to pass through in both directions. This dimensional change compactsthe machine layout while maintaining operational accessibility.
2Productivity
If multiple processing devices are arranged in sequence, then each product passes through all processing steps, but the energy management becomes complex and space utilization is inefficient
Solution Approach 1:
The patent divides the processing system into independent processing devices, each capable of being heated independently. Each processing device can be selectively activated based on the specific processing requirements, allowing energy to be applied only where and when needed rather than heating entire long sequences of devices.
Solution Approach 2:
The multi-level configuration allows processing devices to handle multiple processing paths simultaneously. Products can be directed through different combinations of processing devices depending on the desired outcome, making the system versatile while optimizing energy usage for each specific processing task.
3Adaptability or versatility
If the machine is designed with long longitudinal surfaces, then all processing steps can be included, but the space utilization in the machine shop is reduced
Solution Approach 1:
By stacking processing devices vertically across multiple levels rather than arranging them linearly horizontally, the patent dramatically reduces the longitudinal footprint of the machine. The multi-level arrangement maintains processing flexibility while occupying significantly less floor space in the machine shop.
4Ease of operation
If roller feed units are positioned at multiple locations along the machine, then product handling is simplified, but operator travel distances and operation complexity increase
Solution Approach 1:
Positioning roller feed units at opposite ends of vertically stacked processing devices creates a compact configuration where operators can access all units from nearby locations on each level, eliminating the need to travel long horizontal distances along a linear machine layout.
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 configuration enhances operational efficiency, allows for flexible thermal treatments, and reduces energy consumption by enabling simultaneous stretching and relaxing processes in a compact machine setup, improving product quality and space utilization.
Implementation Method 1
a first heating channel (19.1) for heating the thermoplastic material of the product (2) to a stretching temperature
Implementation Method 2
a first blower (22.1) which is allocated to the first heating channel (19.1) and is designed to move air through the first heating channel (19.1)
Data Source
AI summary
The invention relates to a device for the production of strand-shaped products such as synthetic bands, fiber strands, monofilaments, or films, which are extruded from a polymer melt. The device includes an extrusion device, a cooling device, several rolling feed units and several processing devices mounted between the rolling feed units. In order to obtain short control paths and compact machine units, the processing devices according to the invention are arranged in tiers one above the other, wherein the rolling feed units face each other at both ends of the processing devices so that the product passes through the processing devices in the opposite direction.