Hole Clamp Fixture for Automated Workpiece Positioning
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Solution Overview
Problem
Manual workpiece placement and fixing in machining processes is time-consuming and limits automation, hindering productivity improvements in machine tool operations.
Innovation Solution
A device with a jig base, hole clamp, and clamp driving portion automatically places and fixes workpieces at a machining position, utilizing a clamp shaft with varying cross-sectional areas and multi-divided jaws to securely hold the workpiece, along with an adhesion degree detection system and workpiece cleaning unit, to facilitate automated machining processes.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If manual work is used for workpiece placement and fixing, then flexibility and adaptability are maintained, but work time increases and productivity decreases
Solution Approach 1:
The workpiece itself is utilized as the fixing mechanism through its own structural features (holes, grooves, or surfaces) that mate with corresponding features on the fixture. The workpiece performs part of the fixing function, enabling rapid automated placement without complex manual operations, thus increasing productivity while reducing placement time.
2Extent of automation
If automated fixing devices are introduced, then productivity and automation are improved, but device complexity increases
Solution Approach 1:
The fixing device is divided into separate modular components including positioning elements, clamping elements, and driving mechanisms. Each component performs a specific function and can be independently adjusted or replaced. This segmentation enables automated operation while keeping individual components simple and manageable, balancing automation with device complexity.
Solution Approach 2:
The fixture is designed with universal features that can accommodate different workpiece types and sizes through adjustable positioning and clamping elements. The same basic fixture structure can fix various workpieces by reconfiguring its components, reducing the need for multiple specialized fixtures and simplifying the overall device complexity while maintaining high automation capability.
3Manufacturing precision
If manual placement and fixing is performed, then device complexity remains low, but manufacturing precision and consistency deteriorate
Solution Approach 1:
Manual mechanical operations of measurement, positioning, and clamping are replaced with automated driving mechanisms (such as pneumatic, hydraulic, or electric actuators) that control the positioning and fixing elements. This substitution ensures consistent and precise workpiece placement and fixing through controlled mechanical motion, achieving high manufacturing precision while maintaining relatively simple device structure through standardized actuation systems.
Data Source
AI summary
Provided is a device for automatically fixing a workpiece. The device for automatically fixing a workpiece includes a jig base provided in one side of a device table, and forming a place where the workpiece is placed and fixed to be machined into a finished product, a hole clamp coupled to the jig base and inserted into a hole formed in the workpiece placed on the jig base to selectively clamp the hole, and a clamp driving portion provided on the device table, connected to the hole clamp, and driving the hole clamp to clamp or unclamp the hole of the workpiece.