Hydraulic Oil Circuit Block Fixture for Five-Surface Machining
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Solution Overview
Problem
Existing technologies for producing hydraulic oil circuit blocks face challenges of low efficiency and insufficient positioning and processing accuracy, making it difficult to achieve automated production that meets the required processing efficiency and accuracy.
Innovation Solution
A process equipment system for hydraulic oil circuit blocks is developed, utilizing a six-point positioning principle with a support component, positioning device, and clamping device. The clamping device can move along a chain to adjust and change the clamping position, allowing for the processing of five surfaces in one-time clamping, thereby improving positioning accuracy and processing efficiency.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If manually operated machine tools with simple positioning and clamping methods are used, then device complexity is reduced, but manufacturing precision deteriorates
Solution Approach 1:
The positioning and clamping system is divided into multiple independent components: positioning components (support nails, positioning pins), clamping components (clamps, vice grips), and fixing components (screws, locking mechanisms). Each component performs a specific function, allowing for precise control of the workpiece in multiple degrees of freedom while maintaining manageable system complexity
Solution Approach 2:
The fixture system is designed with universal positioning and clamping components that can accommodate different sizes and shapes of oil circuit block workpieces. The modular design allows the same basic components to serve multiple functions across different machining operations, reducing overall device complexity while maintaining high manufacturing precision
2Adaptability or versatility
If multiple positioning and clamping are required in one processing, then positioning coverage is improved, but manufacturing precision deteriorates due to cumulative errors
Solution Approach 1:
The workpiece is positioned and clamped in a single setup before all machining operations are completed. The fixture system establishes the workpiece position in advance with high precision, and all subsequent machining operations reference this initial positioning, eliminating cumulative errors from multiple positioning operations
Solution Approach 2:
Multiple positioning and clamping functions are merged into a single integrated fixture system. The positioning components and clamping components work together in one coordinated setup, allowing the workpiece to be secured in the correct position once, with all necessary machining operations performed while maintaining that position, thereby avoiding repeated positioning errors
3Manufacturing precision
If automated production with high-precision positioning is implemented, then manufacturing precision is improved, but device complexity increases
Solution Approach 1:
The automated positioning system is segmented into standardized modular components that can be independently manufactured, assembled, and maintained. This segmentation allows for high precision in each component while keeping the overall system complexity manageable through modular architecture
Solution Approach 2:
The fixture system incorporates adjustable parameters such as movable positioning elements, adjustable clamping forces, and reconfigurable support structures. These parameter changes allow the system to adapt to different workpiece requirements while maintaining high positioning accuracy, reducing the need for multiple specialized fixtures
4Ease of manufacture
If simple positioning and clamping methods are used, then ease of manufacture is improved, but productivity deteriorates due to low yield rate
Solution Approach 1:
The fixture is constructed from segmented, standardized components that are easy to manufacture and assemble. This segmentation allows for simple production of individual parts while the assembled fixture provides the precision needed for high yield rates through consistent, accurate positioning and clamping
Solution Approach 2:
The fixture system incorporates self-adjusting and self-locking mechanisms that automatically maintain positioning accuracy during machining operations. This self-service capability reduces the need for complex adjustment mechanisms while ensuring consistent positioning precision that improves yield rate
Data Source
AI summary
A process equipment system of hydraulic oil circuit blocks and an automated production line thereof, which relates to the field of mechanical processing technology. In view of the problem of low production efficiency in the positioning and processing of hydraulic oil circuit blocks, based on the six-point positioning principle, the workpiece is achieved the six-point positioning by the support components, positioning devices, and clamping devices on the upper layer of the base. The clamping device is capable to move along the chain, so as to adjust and change the clamping position, and can achieve processing five surfaces through one-time clamping of oil circuit blocks, improving positioning accuracy and processing efficiency, meeting the needs of automated production.