Sleeve-shaped rolling processing cutter

Abstract

The invention relates to a sleeve-shaped rolling processing cutter. The sleeve-shaped rolling processing cutter comprises a sleeve boring body and a plurality of rolling cutter heads; the sleeve boring body comprises a base, a plurality of strip-shaped ribs and a circular ring, one ends of the plurality of strip-shaped ribs are uniformly and vertically arranged on the periphery of the base, and the other ends of the plurality of strip-shaped ribs are connected with one side of the circular ring; and a cutter holder groove corresponding to the number of the rolling cutter heads is arranged on the other side of the circular ring at equal intervals, the opening directions of the cutter holder grooves point to the center of the circular ring, and the plurality of rolling cutter heads are fixedon the inner ring of the circular ring through the cutter holder grooves. According to the sleeve-shaped rolling processing cutter provided by the invention, the base is arranged on a main shaft of amachine tool, a processing mode of rotary cutting of a machine tool is replaced by rotary cutting of the cutter, and a roller extrudes the surface of a workpiece, so that the surface of the workpieceis smooth and clean.

Description

technical field [0001] The invention relates to the field of mechanical processing, and more specifically relates to a sleeve-shaped rolling processing tool for the journal of a large-scale valve body. Background technique [0002] At present, the high-precision journal protruding from both ends of a large valve body in machining is thin and requires very high coaxiality. The commonly used processing technology is turning first and then grinding on a large horizontal lathe. The end faces of the shaft diameter protruding from both ends of the large valve body use a clamping scheme of one clamp and one top on a large horizontal lathe, and use the processing technology of turning first and then grinding to meet the requirements of the drawing. However, similar large valve body rotary workpieces with a rotary diameter of D3680mm and a length of 5540mm require at least a large horizontal lathe with a rotary diameter of 4 meters to realize processing. However, this large special m...

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Problems solved by technology

However, similar large valve body rotary workpieces with a rotary diameter of D3680mm and a length of 5540mm require at least a large horizontal lathe with a rotary diameter of 4 meters to realize processing. However, this large special machine tool is very low in use and economical. It is not high, and few companies will purchase this type of equipment; secondly, the shape of large valve bodies is generally irregular, and a special counterweight needs to be adjusted to process such workpieces on a horizontal lathe, so that the dynamic balance of the workpiece can reach an ideal state when rotating, otherwise the processing will The workpiece will vibrate, it is difficult to achieve uniform turning, and eventually the surface finish of the workpiece cannot meet the requirements

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