Grinding Tool Casing Airflow Layout for Cooler Dust-Controlled Operation
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Conventional grinding machine tools suffer from uneven heat dissipation, leading to thermal energy accumulation on the motor and casing, which affects user comfort and operational efficiency due to dust accumulation and interference between airflow directions.
Innovation Solution
The grinding machine tool features a casing divided into a head and body with an air inlet and outlet, a motor cover that shields the motor, and an airflow generating member that creates separate heat dissipation airflows to dissipate heat from both sides of the motor and circuit board, while preventing dust entry.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Temperature
If a fan is used to generate wind current for heat dissipation, then heat dissipation is improved, but dust accumulation and uneven heat dissipation occur
Solution Approach 1:
The patent divides the heat dissipation system into multiple independent airflow paths: a first airflow path for the motor and a second airflow path for the circuit board. This segmentation allows each component to be cooled independently, preventing uneven heat dissipation and dust accumulation while maintaining effective cooling for all heat-generating elements.
Solution Approach 2:
The patent introduces an intermediary airflow generating member that creates controlled airflow paths between the external environment and internal components. This intermediary structure guides dust-free air flow to specific locations, preventing direct dust entry while ensuring comprehensive heat dissipation across all components.
2Object-affected harmful factors
If the casing is sealed to prevent dust entry, then dust accumulation is reduced, but heat dissipation is impaired
Solution Approach 1:
The patent applies local quality by creating specific localized airflow paths through the casing structure. These controlled openings and channels allow heat dissipation in specific regions while maintaining overall sealing to prevent dust entry. The airflow paths are strategically positioned to cool critical components without compromising the dust-proof seal.
Solution Approach 2:
The patent utilizes pneumatic principles by generating controlled airflows through the airflow generating member. This pneumatic system creates positive pressure zones that push dust-free air through sealed paths to cool internal components, while maintaining negative pressure or seal integrity in other regions to prevent dust contamination. The pneumatic control enables simultaneous heat dissipation and dust prevention.
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 design effectively reduces casing temperature and prevents dust accumulation, ensuring efficient heat dissipation and improved user safety by maintaining airflow directionality and reducing thermal radiation to the casing.
Implementation Method 1
an airflow generating member rotating synchronously with the motor, wherein the airflow generating member generates a first heat dissipation airflow and a second heat dissipation airflow when rotating
Implementation Method 2
the thermal energy on the motor will continue to accumulate and transfer to the motor casing
Data Source
Figure 1
Figure 2
Figure 3
AI summary
A grinding machine tool (10) for reducing hotness of a casing, includes a casing (11) and a drive assembly (14). The casing (11) is divided into a head (111) and a body (112); includes casing parts (113); includes an air inlet (115) provided on the body (112) and an air outlet (116) provided on a side of the head (111); and forms a motor cover (117) on the head (111), and the motor cover (117) does not contact the casing parts (113) to form an airflow passage (118) in the casing (11). The drive assembly (14) includes a circuit board (141), a motor (142) placed into the motor cover (117), and an airflow generating member (143) rotating synchronously with the motor (142). When the airflow generating member (143) rotates, it generates a first heat dissipation airflow (60) passing through the airflow passage (118) and dissipating heat of the circuit board (141) and the head (111), and a second heat dissipation airflow (70) dissipating heat on a side of the motor (142) facing the airflow generating member (143).