Winding Device Pressure Jaws for Variable Bundle Diameter
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Solution Overview
Problem
Existing winding devices are limited to wrapping a narrow diameter range of bundled goods due to the design of pivoting jaws that move away from the material, restricting their versatility in accommodating various diameters.
Innovation Solution
The pressure jaws are mounted on each other via a lever arrangement, allowing them to pivot towards the bundled goods as they are pressed into the winding head, ensuring they remain closed and guide the material precisely regardless of diameter, with adjustable prestressing and controlled swivel angles for optimal retention and wrapping.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If the pivoting jaws are designed to move away from the bundled material during introduction, then the structure is simple and easy to operate, but the device can only wrap a narrow diameter range of bundled goods
Solution Approach 1:
The patent combines multiple pressing jaws (at least two pressing jaws arranged opposite to each other) into a integrated pressing mechanism that acts simultaneously on the bundled material. This merging of multiple pressing elements allows the device to accommodate various diameters while maintaining operational simplicity, as the combined pressing action adapts to different material sizes without requiring complex individual jaw movements.
Solution Approach 2:
The pressing mechanism is designed with universal applicability to handle bundled goods of different diameters. The at least two pressing jaws can be adjusted or positioned to accommodate a wide range of diameters, making the device multi-functional for various wrapping applications without requiring separate devices for different size ranges.
2Device complexity
If the pivoting jaws are designed to pivot away from the bundled material, then the structure is simple, but the guidance precision of the bundled material is limited
Solution Approach 1:
By merging multiple pressing jaws into a coordinated pressing mechanism, the device achieves precise guidance of the bundled material through combined action. The multiple jaws work together to center and guide the material accurately, improving guidance precision while maintaining relatively simple individual jaw structures that don't require complex pivoting movements.
3Adaptability or versatility
If the pressing jaws are mounted on one another and connected via lever arrangement, then the diameter range is greatly increased, but the structural complexity increases
Solution Approach 1:
The patent employs a lever arrangement that enables dynamic adjustment of the pressing jaws. The lever mechanism allows the pressing jaws to adapt their position and pressure according to the diameter of the bundled goods, providing dynamic adaptability across a wide diameter range. This dynamic design accommodates various sizes while using simple lever mechanics rather than complex active control systems.
Solution Approach 2:
The pressing mechanism is segmented into at least two separate pressing jaws that can be independently positioned or adjusted. This segmentation allows each jaw to be optimized for specific functions while working together, enabling the device to handle various diameters through coordinated action of the segmented pressing elements rather than requiring a completely complex integrated mechanism.
4Manufacturing precision
If the pivoting jaws are mounted on one another, then the jaws remain closed to guide material precisely, but the retention force may be insufficient without additional prestressing
Solution Approach 1:
The patent incorporates prestressing of the pressing jaws through springs or other elastic elements before the wrapping process begins. This preliminary application of force ensures that the pressing jaws are pre-loaded and ready to immediately grip and retain the bundled material when contact is made, providing sufficient retention force from the start of the operation rather than requiring additional active engagement mechanisms.
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 design enables the winding device to handle a wide range of diameters with precise guidance and retention, allowing for efficient wrapping of both small and large-diameter goods, maintaining precise positioning and facilitating easy operation with minimal structural complexity.
Implementation Method 1
the pressure jaws are formed as opposing pressing jaws in an opening of the winding head for the introduction of the bundled material... the pressure jaws of pressure springs are prestressed against one another
Implementation Method 2
the pressure jaws are mounted on the end winding via a lever arrangement... the pivoting angle of the pressure jaws is controlled by the position of the bundled goods within the winding head and the diameter of the bundled goods
Data Source
Figure 1
Figure 2
Figure 3~4
AI summary
A winding device (11) for a bundling device (1) designed for wrapping an elongated bundle (2, 102) with adhesive tape (3) has pivoting jaws mounted side by side. The pivoting jaws are designed as an opening (14) in a winding head (113) for the insertion of the bundle (2, 102) and opposing pressure jaws (22, 23). This allows the winding device (11) to accommodate a particularly large diameter range of the bundle (2, 102).