Grinding Machine Tool Spindle Y-Axis Workpiece Jig
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Solution Overview
Problem
Existing grinding machines lack a compact, space-saving design with reliable and multifaceted operation, and require complex control systems to ensure collision safety and efficient tool and work piece handling.
Innovation Solution
The tool spindle moves only along the linear Y-axis, with the X and Z axes and rotational axes located in the work piece jig, allowing for compact arrangement and eliminating the need for additional auxiliary axes for tool changes and centering, utilizing a Y-tool carriage, X-carriage, Z-carriage, and work piece jig with rotational axes for flexible positioning and processing.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If the tool spindle is equipped with multiple linear main axes (X, Y, Z) and rotational axes (A, B) for processing and tool changing, then the machine can perform multifaceted operations and tool changes, but the machine construction becomes complex and occupies large space
Solution Approach 1:
The patent divides the machine into two functional segments: the tool spindle is equipped only with the essential linear Y-axis for processing, while the work piece jig carries the linear X and Z axes plus rotational A and B axes. This segmentation allows tool changing and work piece handling functions to be distributed to the work piece jig, reducing the tool spindle's complexity while maintaining overall machine versatility through coordinated movement of both jigs.
2Adaptability or versatility
If additional auxiliary axes are added for tool changing and centering operations, then these functions can be performed, but the control system becomes more complex
Solution Approach 1:
The work piece jig is designed with universal multi-functionality, carrying not only work piece holding and processing axes (X, Z, A, B) but also tool changing capability through an integrated tool magazine and centering capability through a centering spindle. This allows the work piece jig to perform multiple auxiliary functions that would otherwise require separate dedicated auxiliary axes, simplifying the overall control system while maintaining operational versatility.
3Volume of moving object
If the machine is designed with compact, space-saving construction, then space utilization is improved, but collision safety between moving parts may be compromised
Solution Approach 1:
The patent achieves compact construction by utilizing the vertical Z-dimension for tool magazine arrangement and work piece stacking, rather than expanding horizontally. The tool magazine is positioned in the Z-direction above the work piece jig, and work pieces are stacked vertically in the work piece magazine. This dimensional reorganization reduces the machine's horizontal footprint while maintaining adequate clearance and collision safety between moving components through careful spatial planning in three dimensions.
Data Source
AI summary
Grinding machine with a machine bed, with a tool carriage that is linearly movable on the machine bed in a Y-axis, with a tool spindle, which is mounted in the tool carriage so as to rotate around an X-axis that is perpendicular to the Y-axis, and which can be rotationally driven, with an X-carriage that is linearly movable on the machine bed in the X-axis, with a Z-carriage that is linearly movable on the X-carriage with a Z-axis that is perpendicular to the X-axis and the Y-axis, and with a work piece jig, which is arranged on the Z-carriage so as to pivot around a B-axis, which is parallel to the Y-axis, and which is capable of rotating around its A-axis, which is perpendicular to the B-axis.