Floating finishing-machining grinding head with controllable grinding force

Abstract

The invention relates to a floating finishing-machining grinding head with controllable grinding force. The floating finishing-machining grinding head with the controllable grinding force comprises a grinding head body, a grinding tool head connected with the front end of the grinding head body in a floating mode, a driving mechanism arranged at the rear end of the grinding head body and a grinding pressure control element, wherein a pressure cavity communicated with compressed air is formed inside the grinding head body to meet balancing conditions, and the inside of the pressure cavity is system pressure (the system pressure is provided by the compressed air, and the intensity of the system pressure is controlled by the grinding pressure control element), grinding force, gravity, compensation spring force and frictional force of all movement parts. The floating finishing-machining grinding head with the controllable grinding force can finish different finishing-machining processes such as precision grinding, grinding and polishing through the grinding head composed of the compressed air, a compensation spring and a pressure control and adjustment element, and can automatically compensate tool abrasion in the finishing-machining process. Movement trajectory planning of a finishing-machining tool is carried out by means of CAD / CAM software, and a matched industrial robot or a digital-control machine tool can finish automatic finishing machining of a complex profile surface.

Description

technical field [0001] The invention relates to a floating finishing grinding head device with controllable grinding force, which is suitable for different finishing processes such as precision grinding, grinding and polishing, and relates to the technical field of finishing processing of parts with complex profiles. Background technique [0002] Finishing is a processing technology that improves the surface quality of the processed parts, improves the working reliability and working life, and can make the surface roughness of the parts reach the level of micron, submicron or even nanometer precision. Finishing processing includes traditional mechanical finishing processes such as precision grinding, grinding, and polishing, as well as non-traditional finishing processes such as ultrasonic, electron beam, laser beam, electrochemical, and magnetic fluid developed in recent years. Due to the fact that some non-traditional technology is still difficult to accurately control the...

AI Technical Summary

Problems solved by technology

Because it is difficult to meet the above two requirements at the same time, most of the finishing processing of complex surface parts such as mold cavities and turbine blades is still performed manually by skilled workers with their own skills and experience, and the labor workload is large. , long production cycle

For example, the grinding and polishing workload of the mold cavity often accounts for 30% to 80% of the entire mold processing workload, and the working environment is harsh, and the stability of the surface quality is difficult to guarantee

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