A fixture for processing large-radius non-full circular arc surface and non-full conical surface and its use method

Abstract

The invention discloses a fixture for processing large-radius non-round arc surface and non-full conical surface and its use method. The parts are located between the bottom plate of the fixture and the pressure plate, and the bolts and nuts are tightened so that the bottom plate of the fixture and the pressure plate can compress the parts. Then rotate the adjusting screw, the front end of the pressure plate forms a second compression on the pressing point of the front end of the part; the circumferential rotation mechanism is fixed after rotation, so that the part contacts with the grinding wheel rotating on the grinding machine in an oblique line, and the radial rotation mechanism drives the bottom plate of the fixture The parts on the upper surface rotate radially, and the parts complete the radial tapered surface processing; or only let the radial rotation mechanism drive the parts on the fixture bottom plate to rotate radially, and the parts complete the radial arc surface processing, and the radius R value obtained by processing is consistent with the design requirements. The radius is consistent and the accuracy meets the requirements, which solves the problem that ordinary cylindrical grinders cannot process non-full circular arc surfaces and non-full conical surfaces with a diameter of 300 to 500 mm with high precision, and the radius of processing is inconsistent with the design required radius precision. Questions that do not meet requirements.

Description

technical field [0001] The invention relates to a fixture for processing large-radius irregular arc surfaces and irregular conical surfaces and a use method thereof, and belongs to the field of fixtures for processing irregular surfaces. Background technique [0002] When processing non-standard parts, sometimes it is necessary to process non-full circular arc surfaces and non-full conical surfaces with a radius of 160mm to 500mm and high precision. Because ordinary cylindrical grinders can only process non-full circular surfaces with a diameter of less than 320mm Incomplete arc surface and non-integral conical surface, resulting in the incomplete arc surface and non-integral conical surface of 320mm or more cannot be processed in time for non-standard parts; currently, hand-held grinding wheels are generally used for non-integral arc surfaces and non-integral cones The surface is processed slowly. When processing with a hand-held grinding wheel grinder, the human body will ...

AI Technical Summary

Problems solved by technology

[0002] When processing non-standard parts, sometimes parts need to process non-full circular arc surfaces and non-full conical surfaces with a radius of 160mm to 500mm and high precision. Because ordinary cylindrical grinders can only process non-full circular surfaces with a diameter of less than 320mm Incomplete arc surface and non-integral conical surface, resulting in non-standard parts unable to process non-integral arc surface and non-integral conical surface of 320mm or more in time; currently, hand-held grinding wheels are generally used to process non-integral arc surfaces and non-integral cones The surface is processed slowly. When processing with a hand-held grinding wheel grinder, the human body will move when working. When the grinding wheel grinder is working, in order to reduce the vibration generated by the grinding wheel grinder, the operator's body will tilt when applying force. , resulting in the inconsistency of the radius of the processed non-integer arc surface and incomplete conical surface with the radius required by the design, and the accuracy cannot meet the requirements. At the same time, in order to ensure the size and accuracy of the incomplete arc surface and incomplete conical surface Operators generally do not make replacements, resulting in a decrease in the work efficiency of an operator and an increase in work intensity

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