Grinding Machine Scattering Prevention Structure
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Solution Overview
Problem
Existing grinding machine scattering prevention structures are complex, leading to reduced shielding and sealing performance, increased machining chamber size, and adverse heat effects due to the use of multiple sliding parts and uniaxial covers.
Innovation Solution
A scattering prevention structure with a pair of supporting tables, a grinding stone table, X axis and Z axis saddles, and covers that allow the grinding stone head to move independently in the advancing/retracting direction, reducing chamber size and improving shielding performance with a simple configuration.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If accordion covers and telescopic covers are used as uniaxial scattering prevention covers moved in the rotating axis direction of the workpiece and a sliding seal member is disposed as a cover member to move the grinding stone in the advancing/retracting direction, then the grinding machine can shield the machining region, but the scattering prevention structure becomes complex due to a large number of sliding parts, which results in a reduction in the shielding performance and the sealing performance
Solution Approach 1:
The invention divides the scattering prevention cover into multiple functional sections: a fixed cover attached to the machine body, a movable cover attached to the grinding stone table that moves with the grinding stone in the advancing/retracting direction, and a sealing member that seals between these covers. This segmentation eliminates the need for complex sliding mechanisms while maintaining effective shielding and sealing performance.
2Ease of operation
If a grinding stone table is installed inside the machining chamber and a grinding stone head moves inside the machining chamber, then the grinding machine can perform machining operations, but the size of the machining chamber is increased and the adverse effects of heat are caused by the retention of heated grinding fluid
Solution Approach 1:
The invention extracts the grinding stone table and grinding stone head from the enclosed machining chamber, allowing them to move freely in the advancing/retracting direction outside the chamber. The machining chamber is reduced to only the region needed for workpiece rotation, eliminating the space required for the grinding stone table and reducing heat retention of grinding fluid.
3Ease of operation
If a grinding stone table is installed inside the machining chamber and a grinding stone head moves inside the machining chamber, then the grinding machine can perform machining operations, but the adverse effects of heat are caused by the retention of heated grinding fluid
Solution Approach 1:
The invention extracts the grinding stone table and grinding stone head from the enclosed machining chamber, allowing them to move freely in the advancing/retracting direction outside the chamber. The machining chamber is reduced to only the region needed for workpiece rotation, eliminating the space required for the grinding stone table and reducing heat retention of grinding fluid.
Data Source
AI summary
This scattering prevention structure of a grinding machine has: a pair of supporting tables; an X axis saddle, which supports a grinding head such that the grinding head can freely move in the advancing/retracing direction with respect to a workpiece; a Z axis saddle, which supports the X axis saddle such that the X axis saddle can freely move in the rotating axis direction of the workpiece; and a grinding stone cover. The grinding stone cover is fixed to the Z axis saddle such that the grinding stone cover opens in a machining region, and the grinding stone head can freely move, with respect to the grinding stone cover, in the advancing/retracting direction with respect to the workpiece, by having the accordion cover therebetween. With this configuration, the size of the machining chamber is reduced, and shielding performance is improved.