Floor Grinding Head Hood Cleaning With Expandable Air Bladder
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Solution Overview
Problem
Floor grinding machines used for stone or stone-like materials face difficulties in cleaning accumulated residues, which affect efficiency and balancing, and traditional cleaning methods risk damaging the machine.
Innovation Solution
Incorporating a resilient, hollow member within the grinding head hood that expands with pressurized fluid to easily dislodge and remove residues without disassembling the machine, combined with a fluid supply system for effective cleaning and cooling.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If traditional cleaning methods (hammer and chisel) are used to remove accumulated residues, then residues can be removed, but the machine may be damaged
Solution Approach 1:
The patent replaces the mechanical cleaning system (hammer and chisel) with a pneumatic system. Compressed air is directed through nozzles to blow away accumulated residues from the grinding head and machine components. This substitution eliminates the need for manual mechanical cleaning that risks damaging machine parts while effectively removing residues.
Solution Approach 2:
The patent utilizes pneumatic pressure to remove residues. A compressed air source connects to nozzles positioned near the grinding head, delivering high-velocity air streams that dislodge and eject accumulated concrete and cement residues. This pneumatic approach provides a safe, non-contact cleaning method that protects machine integrity.
2Productivity
If grinding continues without cleaning, then productivity is maintained, but heat dissipation and rotation efficiency degrade
Solution Approach 1:
The patent implements periodic cleaning action during the grinding process. The pneumatic cleaning system operates intermittently, blowing away residues at regular intervals or when accumulation reaches a certain level. This periodic maintenance allows continuous productivity while preventing the degradation of heat dissipation and rotation efficiency that would occur with uninterrupted residue accumulation.
3Ease of operation
If the machine is disassembled for cleaning, then thorough cleaning is achieved, but cleaning time and complexity increase
Solution Approach 1:
The pneumatic cleaning system enables self-service cleaning of the grinding machine. The operator can clean the grinding head and surrounding components in place without disassembly by simply activating the compressed air nozzles. This self-cleaning capability achieves sufficient cleaning thoroughness while dramatically reducing cleaning time and operational complexity compared to full disassembly procedures.
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 allows for easier and less labor-intensive cleaning of grinding machines, reducing the negative impacts of residue accumulation on machine performance and longevity.
Implementation Method 1
a resilient member, or a portion thereof, being resiliently movable or expandable upon supply of said fluid
Implementation Method 2
a pressurized fluid source, operatively connected to the resilient member to supply said pressurized fluid
Data Source
AI summary
The present disclosure relates to a floor grinding machine for grinding floor surfaces of stone or stone-like material. Such a machine comprises a machine frame, a grinding head 2, supported by and being rotatable relative to the machine frame, a grinding head hood 2, which defines a space in which the grinding head 1 is rotatable, a hollow and resilient member 4, arranged in the space, and a pressurized fluid source, operatively connected to the hollow member 4 to supply said pressurized fluid, whereby the hollow member 4 is resiliently expandable upon supply of said fluid.