Intelligent numerical control machine tool clamping mechanism

Abstract

The invention discloses an intelligent numerical control machine tool clamping mechanism which comprises a liquid pool, a multi-axis posture adjusting arm, a multi-angle laser posture position measuring device and a controller. The liquid pool is filled with electrorheological fluid, and electrodes are oppositely arranged on the inner walls of the two sides of the liquid pool; an external circuit applies a strong electric field to the electrorheological fluid through the electrodes; the multi-axis posture adjusting arm grabs and fixes a workpiece from the bottom of the workpiece to be machined and adjusts the posture of the workpiece. According to the clamping mechanism, liquid-solid conversion is achieved through the characteristics of electrorheological fluid, so that the clamping mechanism is suitable for clamping different special-shaped workpieces, full-wrapping clamping is adopted, the clamping force is stable, and the special-shaped workpieces are not prone to being damaged; according to the clamping mechanism, the multi-axis posture adjusting arm is combined with the multiple sets of laser position detectors, the posture of the special-shaped workpiece is flexibly and accurately adjusted, posture adjustment and clamping can be rapidly and automatically achieved in combination with the characteristics of electrorheological fluid, and therefore the machining efficiency of the workpiece is improved.

Description

technical field [0001] The invention belongs to the field of numerical control machining, in particular to an intelligent numerical control machine tool clamping mechanism. Background technique [0002] CNC machine tool is the abbreviation of numerical control machine tool, which is an automatic machine tool equipped with a program control system. The control system can logically process programs with control codes or other symbolic instructions, decode them, express them in coded numbers, and input them into the numerical control device through the information carrier. After calculation and processing, various control signals are sent by the numerical control device to control the movement of the machine tool, and the parts are automatically processed according to the shape and size required by the drawing. [0003] CNC machine tools solve complex, precise, small-batch, and multi-variety parts processing problems. It is a flexible, high-efficiency automatic machine tool th...

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Problems solved by technology

[0004] In the production process, some high-end parts with special purposes are usually special-shaped. The processing ability for special-shaped workpieces is an important parameter to measure the technical capabilities of CNC machine tools. For the processing of special-shaped workpieces, in addition to the flexibility of the core processing modules of CNC machine tools In addition to the high requirements for precision and accuracy, another difficulty lies in the clamping of special-shaped workpieces. The clamping of special-shaped workpieces is a major difficulty in the CNC machining process. The clamping design and manufacturing of multiple sets of special fixtures will undoubtedly greatly increase the processing cost of special-shaped workpieces, and the special fixtures cannot be used universally, resulting in serious waste; in addition, due to the characteristics of special-shaped workpieces, the clamping force of the fixture is usually concentrated on Special parts on the workpiece, the stress is extremely concentrated, easy to damage the workpiece during processing

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