Online Burr Removing Device for Wheel with Multi-Brush Drive
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Solution Overview
Problem
Traditional burr removing devices for aluminum alloy wheels face inefficiencies as the linear speed of brush bristles varies significantly from the center to the outer edge, leading to incomplete or excessive burr removal during machining.
Innovation Solution
A device that uses a motor to simultaneously drive inner, outer, and round brushes to rotate at appropriate speeds through a system of pulleys, gears, and servo electric cylinders, ensuring uniform brush speed and efficient burr removal by adjusting the drive ratio and positioning.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If a large disc brush is used to remove burrs, then burr removal capability is improved, but the linear speed of bristles varies significantly from center to outer edge causing excessive or incomplete brushing
Solution Approach 1:
The single large disc brush is segmented into multiple independent brush modules (inner brush, outer brush, and round brushes arranged in multiple rows). Each brush module operates independently with its own speed control, eliminating the speed variation problem of the unified disc brush while maintaining effective burr removal across different radial positions.
Solution Approach 2:
The brush system transitions from a static unified structure to a dynamic multi-module configuration where each brush can rotate at independently controlled speeds. The drive mechanism incorporates variable speed control for different brush modules, allowing the system to adapt speeds to match the linear velocity requirements at different radial distances from the center.
2Manufacturing precision
If each part of the brush moves at different speed and mode, then uniform burr removal is achieved, but device complexity increases
Solution Approach 1:
Multiple brush modules are merged into a single integrated assembly that rotates together as one unit. The drive system uses a common rotation axis and synchronized drive mechanism, reducing the complexity compared to completely independent drive systems for each brush. The brushes are arranged in specific patterns (inner, outer, and round brushes in multiple rows) that work cooperatively to achieve uniform burr removal.
Solution Approach 2:
The brush assembly serves multiple functions simultaneously: the inner brushes handle central burrs, outer brushes handle peripheral burrs, and round brushes in multiple rows address intermediate zones. This multi-functional arrangement achieves comprehensive burr removal uniformity while using a relatively compact and integrated drive structure rather than separate complex mechanisms for each zone.
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
Ensures uniform brush speed across the wheel, enhancing automation, process efficiency, and safety while effectively removing burrs from the wheel cavity, preventing coating defects.
Implementation Method 1
the large belt pulley is connected with the small belt pulleys by the synchronous belt
Implementation Method 2
the gears I are engaged with the outer sides of the gear rings; the gears II are engaged with the inner sides of the gear rings
Implementation Method 3
the motor I is fixed below the lower lifting plate via a flange
Data Source
AI summary
The present invention discloses an online burr removing device for a wheel. The device comprises a brush moving system, online transfer parts, clamp units, a lifting plate rotating part. When the device is used, one motor can simultaneously drive an inner brush, an outer brush and a plurality of round brushes to rotate, and the rotating speeds of the three kinds of brushes can be appropriate by setting an appropriate drive ratio; the device can avoid the problem that the linear speed is low in the center but high at the outer edge when an integrated brush rotates at the same angular speed; meanwhile, the device has the characteristics of high automation degree, advanced process, simple structure and high safety and stability.