Dry Machining Cell Airflow Layout for Chip and Dust Removal
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Solution Overview
Problem
Existing machining technologies face challenges in reducing environmental pollution during automated dry processing, particularly in effectively removing chips and dust generated during machining.
Innovation Solution
The machining cell employs an enclosure with a workpiece table that is partially closed, using a blowing device aligned parallel to the clamping surface and a chip conveyor with a suction device oriented at an angle to the conveying direction, creating a negative pressure environment within the workspace to separate and remove waste efficiently.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If a machining cell uses dry machining without enclosure, then the device complexity is reduced, but environmental pollution increases due to chips and dust generation
Solution Approach 1:
The patent employs a blowing device and suction device creating a controlled airflow system within the enclosure. The blowing device directs air flow parallel to the clamping surface to push chips and dust toward the suction device, while the suction device maintains negative pressure to extract lighter waste particles, effectively managing environmental pollution through pneumatic control
Solution Approach 2:
The patent introduces air flow as an intermediary medium between the machining process and waste removal system. The blowing and suction devices create a mediated airflow environment that transports chips and dust from the tool interface area to collection points, preventing direct contact between generated waste and the surrounding environment
2Object-affected harmful factors
If a machining cell uses a fully closed enclosure, then environmental pollution is reduced, but the difficulty of detecting and measuring increases due to limited access
Solution Approach 1:
The enclosure is designed with segmented access points including a workpiece table opening and maintenance openings in the housing walls. These segmented openings allow operators to load workpieces, observe machining processes, and perform maintenance tasks while the rest of the enclosure remains sealed to maintain the controlled airflow environment and prevent pollution
3Productivity
If the blowing device aligns parallel to the clamping surface, then chip removal efficiency is improved, but the device complexity increases due to precise orientation requirements
Solution Approach 1:
The patent specifies precise orientation parameters for the blowing device, aligning it parallel to the clamping surface of the workpiece table. This parameter optimization ensures that the air flow direction efficiently pushes chips toward the suction device without becoming part of the complexity management, as it is a design specification rather than a controllable variable during operation
4Object-affected harmful factors
If the extraction device creates negative pressure in the work area, then dust and light waste removal is improved, but energy consumption increases
Solution Approach 1:
The patent combines the blowing device and suction device into an integrated airflow management system. The blowing device directs heavy chips toward the suction area while the suction device simultaneously maintains negative pressure for dust extraction. This merging of functions optimizes energy usage by coordinating the two devices to work together rather than independently, reducing total energy consumption compared to separate systems
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 setup effectively separates and removes chips and dust from the machining area, reducing environmental pollution by utilizing the blowing device to direct waste away from the tool engagement point and the suction device to collect lighter waste, ensuring efficient waste management and minimizing contamination.
Implementation Method 1
a blowing device (100) and a suction device (110), wherein the blowing direction of the blowing device (100) is aligned parallel to a clamping surface of the workpiece table (31)
Implementation Method 2
The extraction device is adjusted so that the pressure in the work area is lower than the ambient pressure
Implementation Method 3
a suction device (110), wherein the extraction device has an extraction channel (112) with an extraction direction (118) oriented perpendicular to the conveying direction (55) of the chip conveyor (51)
Implementation Method 4
A chip conveyor (51) with a conveying direction (55) oriented perpendicular to the blowing direction (105) is arranged below the workpiece table (31)
Data Source
Figure 1
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Figure 4~5
AI summary
The invention relates to a machining cell for dry machining with a working area defined by an enclosure comprising an air blowing device and an extraction device, and to a method for operating such a machining cell for machining a workpiece. The enclosure is partially closed by means of a workpiece table. The air blowing direction of the air blowing device is aligned parallel to a clamping surface of the workpiece table. A chip conveyor with a conveying direction oriented perpendicular to the air blowing direction is arranged below the workpiece table. The extraction device also has an extraction channel with an extraction direction oriented perpendicular to the conveying direction of the chip conveyor, forming an angle between 20 degrees and 160 degrees with the air blowing direction. The present invention reduces the environmental impact during automated dry machining.