Wire Feed Drive Assembly With Flexible Couplings
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing wire feed stations are complex and costly due to the use of independent drive motors or serpentine belt/gear arrangements, which increase equipment requirements and complexity while aiming to accurately draw wire into processing systems.
Innovation Solution
A drive assembly utilizing a single drive motor with flexible couplings and gear arrangements to rotate two feed wheels, allowing for adjustable feed nip size and reduced equipment complexity by accommodating movement of mounting blocks through flexible linkages.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If independent drive motors are used for each feed wheel, then reliable wire feeding is achieved, but device complexity and cost increase
Solution Approach 1:
The patent combines two independent drive motors into a single drive motor that powers both feed wheels through a common drive shaft and gear mechanism. This merging reduces the number of motors from two to one, thereby reducing device complexity and cost while maintaining the ability to reliably feed wire through the nip point.
Solution Approach 2:
The single drive motor is designed to perform multiple functions by powering both feed wheels through the drive shaft and gear arrangement. The drive motor serves as a universal power source for the entire wire feeding mechanism, eliminating the need for separate motors and reducing overall system complexity.
2Device complexity
If serpentine belt or gear arrangement is used with single drive motor, then device complexity is reduced, but the feed wheels cannot move relative to each other
Solution Approach 1:
The patent incorporates flexible couplings at strategic locations in the drive shaft assembly, allowing the drive shaft to dynamically adjust its configuration. This enables the feed wheels to move relative to each other and to the drive shaft while maintaining power transmission, thus providing adaptability in feed wheel positioning without increasing device complexity.
Solution Approach 2:
The flexible couplings allow for changes in the physical parameters of the drive shaft assembly, specifically enabling relative movement and position adjustment between feed wheels and the drive shaft. This parameter flexibility maintains the simplicity of the single-motor design while providing the versatility needed for different wire feeding configurations.
3Manufacturing precision
If rigid drive shaft arrangement is used, then manufacturing precision is maintained, but adaptability to varying wire sizes is reduced
Solution Approach 1:
The patent uses flexible couplings that can accommodate varying distances and misalignments between drive shaft components. These flexible couplings maintain the necessary power transmission while allowing the system to adapt to different wire sizes and feeding requirements, thus combining manufacturing precision with operational adaptability.
Solution Approach 2:
The drive shaft arrangement incorporates flexible elements that allow dynamic adjustment of the system configuration. This enables the rigid drive shaft to maintain its manufacturing precision while the flexible couplings accommodate variations in wire size and feeding conditions, providing both precision and adaptability.
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 simplifies the wire feed station design, reduces costs by using a single motor, and maintains accurate wire feeding by accommodating varying wire sizes through adjustable feed nip sizes without increasing complexity.
Implementation Method 1
a flexible coupling is positioned between a first end of the first drive shaft and the motor shaft. A second flexible coupling is positioned between a second end of the first drive shaft and the wheel shaft of the first feed wheel
Implementation Method 2
The drive motor includes a first drive gear that rotates along with the motor shaft. The first drive gear is positioned to engage a second drive gear through mating teeth formed on the drive gears
Implementation Method 3
opposing wheels or belts that are forced against each other to create a feed nip to pull the wire from a supply source
Data Source
AI summary
A wire feed station of a wire processing system draws a supply of wire into the system. The wire feed station includes first and second feed wheels that create a nip to pull the wire through the feed station. A drive assembly is coupled to the first and second feed wheels to cause rotation of the feed wheels. The drive assembly includes first and second drive shafts that are coupled to the first and second feed wheels through a pair of flexible couplings. The flexible couplings allow the first and second feed wheels to move relative to each other to adjust the feed nip. The flexible couplings allow a single drive motor to rotate the first and second feed wheels through a pair of drive shafts without the use of a complex belt or gear assembly.