Brush Holder Plug-in Mechanism for Deburring Machine
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Solution Overview
Problem
Conventional deburring machines require cumbersome and time-consuming replacement of worn machining elements, which are often expensive and prone to incorrect mounting, leading to mechanical stress and increased operational risks.
Innovation Solution
The use of special brush holders with a plug-in strap mechanism that allows for easy, tool-free attachment and detachment from a circulating drive belt, featuring a form-fitting connection with automatic locking, reducing the need for additional fastening means like screws and enabling quick and secure replacement.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If conventional screw-fastened brush holders are used, then the brushes can be securely attached to the drive belt, but the replacement process becomes time-consuming and complex
Solution Approach 1:
The brush holder is divided into separate components: a holder body and a brush unit. This segmentation allows the brush unit to be independently removed and replaced without replacing the entire holder assembly, significantly reducing replacement time while maintaining secure attachment through the holder body's locking mechanism
Solution Approach 2:
The brush holder incorporates a dynamic locking mechanism with spring-loaded lugs that automatically engage with slots in the drive belt. This dynamic system provides secure attachment during operation while allowing quick release when needed, resolving the contradiction between secure attachment and easy replacement
2Reliability
If multiple fastening means like screws are used, then the brush holders can be securely fixed, but the device complexity and manufacturing cost increase
Solution Approach 1:
The invention extracts and eliminates the need for separate fastening components like screws, nuts, and clips. Instead, the brush holder body itself is designed with integrated locking features (lugs and slots) that provide secure fixation without additional fastening means, thereby reducing device complexity and manufacturing cost
Solution Approach 2:
The fastening function is merged into the brush holder body structure itself. The holder body incorporates lugs that engage with slots in the drive belt, combining the structural support and fastening functions into a single integrated component, eliminating the need for separate fastening means
3Quantity of substance
If a wide machine with long belts is used, then more processing units can be accommodated, but the replacement complexity and time increase proportionally
Solution Approach 1:
The processing units are segmented into modular brush holders that can be independently replaced. This allows operators to replace only the worn brush units rather than entire long belts or assemblies, making the replacement process manageable even in wide machines with many processing units
Solution Approach 2:
The brush holders are pre-configured with standardized locking mechanisms and mounting features. This preliminary design standardization allows for quick identification and replacement of individual units without requiring complex disassembly procedures, reducing overall replacement complexity in machines with multiple units
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 solution significantly reduces the time required for brush replacement, enhances mechanical reliability, and allows for cost-effective production of disposable brush holders, minimizing the risk of loose or detached units during operation.
Implementation Method 1
The edge of the recess of the mounting bracket forms a latching lug, and the latching tongue has a recess into which this latching lug snaps when the end position is reached
Data Source
Figure 1
Figure 2
Figure 3a
AI summary
A machine for deburring sheet metal parts has an endlessly circulating drive belt on which a plurality of brushes are arranged side by side. The brushes comprise a brush holder (6) which carries an abrasive bristle (7). They are attached to the drive belt by means of a brush holder (5), which is preferably designed as a flat L-shaped mounting bracket (8). The brush holder (6) is made of plastic in one piece and can be slid onto a locking tab of the brush holder (5) in a form-fitting manner. Upon reaching its end position, the brush holder (6) automatically locks into place with the brush holder (5).