Machine Tool Gearbox With Integrated Chip Collection for Pull Cuts
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Solution Overview
Problem
Conventional cross-cut saws face challenges in processing large workpieces due to inadequate absorption of bending forces, leading to imprecise cuts and inefficient chip and dust collection, particularly with chips being thrown out over a large area.
Innovation Solution
An electrical processing machine with a gear system that integrates a gear element designed for both guiding the work unit and collecting chips or dust, featuring a two-dimensional working plane and a mechanism to limit the work unit's range, allowing for various cuts while effectively capturing chips and dust through a designed collecting geometry and suction system.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Length of moving object
If a linear guide with extensions and bearing elements is used to enable pull cuts on large workpieces, then the cutting length and working area are increased, but the installation space and machine weight increase significantly
Solution Approach 1:
The gear unit is designed to perform multiple functions: it guides the working unit during cross cuts, enables pull cuts through rotational movement, and collects chips or dust. This multi-functionality eliminates the need for separate linear guide extensions, reducing installation space and machine weight while maintaining the capability to process large workpieces
2Area of stationary object
If linear guide extensions are added to increase cutting length, then the working area is expanded, but the device complexity increases
Solution Approach 1:
The gear unit serves as both the guiding mechanism and the chip collection system, eliminating the need for separate linear guide extensions and bearing elements. This integration maintains an expanded working area for processing large workpieces while significantly reducing device complexity
Solution Approach 2:
The patent combines the guiding function and chip collection function into a single gear unit structure. The gear elements that guide the working unit also form the collection geometry for chips, merging multiple components into one integrated system
3Adaptability or versatility
If conventional chip collection methods are used with pull cuts, then chips are projected over a large area, but chip collection efficiency decreases
Solution Approach 1:
The gear unit is designed to collect chips or dust in addition to its guiding function, creating a universal component that handles both guidance and chip collection. The collection geometry is integrated into the gear structure, allowing efficient chip capture during pull cuts where chips would otherwise be projected over a large area
Solution Approach 2:
The gear unit acts as an intermediary between the working unit and the chip collection system. Its structured geometry intercepts chips or dust before they can be projected over a large area, channeling them into the collection system through the gear elements
Data Source
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AI summary
An electric machine tool (10) comprises a frame (11), a working unit (15) having a working tool (13), and a gearbox (17) by means of which the working unit (15) is attached to the frame (11) and which is designed to enable a guided working movement of the working unit (15) relative to the frame (11). The gearbox (17) has a gear element (27) designed to collect chips or dust that occur when machining a workpiece (W) with the working tool (13).